This specification covers a premium aircraft-quality steel in the form of bars, forgings, mechanical tubing, flash-welded rings up through 10.000 inches (254.00 mm), inclusive, in diameter or least distance between parallel sides, and stock of any size for forging or flash-welded rings.

AMS E Carbon and Low Alloy Steels Committee

Carbon Fiber Fabric Repair Prepreg, 120 °C (250 °F) Vacuum Curing, Part 6 - Material Specification: Carbon Fiber Fabric Reinforced Epoxy Prepreg for Repair, Plain Weave Fabric, 193 g/m2, Adhesive Film for Repair and Non-Structural Glass Fiber Fabric Reinforced Epoxy Prepreg, 105 g/m2

AMS3970/6A (Current)

9/22/2026

AMS3970/6 Material Specification (MS) defines the requirements of carbon fiber plain weave fabric, 193 g/m2, reinforced epoxy structural prepreg for repair, curing under vacuum at 120 °C (250 °F), and a companion non-structural glass fiber fabric reinforced epoxy prepreg, 105 g/m2, used in repair of carbon fiber reinforced epoxy structures and qualified according to AMS3970/1 and AMS3970/2 for aerospace applications. The prepreg system may include an epoxy film adhesive to be applied in a co-curing process with the prepreg for joint and sandwich bonding. The need for a film adhesive shall be established during screening tests. If included, the requirements to be met by the adhesive are also defined in this document.

AMS CACRC Commercial Aircraft Composite Repair Committee

Steel, Corrosion-Resistant, Investment Castings, 15Cr - 4.6Ni - 0.22Cb (Nb) - 2.8Cu (15-5 PH®), Solution Heat Treated, Precipitation Hardenable

AMS5357F (Current)

9/21/2026

This specification covers a corrosion-resistant steel in the form of investment castings.

AMS F Corrosion and Heat Resistant Alloys Committee

Aluminum Alloy Sheet and Plate, 5.6Zn - 2.5Mg - 1.6Cu - 0.23Cr, 7075: (-T6 Sheet, -T651 Plate), Solution and Precipitation Heat Treated

AMS4045N (Current)

9/21/2026

This specification covers an aluminum alloy in the form of sheet and plate 0.008 to 4.000 inches (0.20 to 101.6 mm), inclusive, in thickness (see 8.5).

AMS D Nonferrous Alloys Committee

Cobalt Alloy, Corrosion- and Heat-Resistant, Bars, 62Co-28Cr-6Mo, (Co-Cr-Mo Alloy), Warm-Worked

AMS5918A (Current)

9/21/2026

This specification covers a corrosion- and heat-resistant cobalt-chromium-molybdenum alloy in the form of bars 2.500 to 4.000 inches (63.50 to 101.60 mm) inclusive, diameter or least distance between parallel sides.

AMS F Corrosion and Heat Resistant Alloys Committee

Steel, Bars, Forgings, Mechanical Tubing, and Forging Stock, 1.2Cr - 2.0Ni - 0.45Mo (0.27 - 0.33C), Aircraft Quality

AMS6407M (Current)

9/21/2026

This specification covers an aircraft-quality, low-alloy steel in the form of bars, forgings, mechanical tubing, and forging stock.

AMS E Carbon and Low Alloy Steels Committee

Steel, Corrosion- and Heat-Resistant, Bars, Wire, Forgings, Mechanical Tubing, Rings and Forging Stock, 18Cr - 11Ni - 0.60Cb (Nb) (347), Solution Heat Treated

AMS5646S (Current)

9/21/2026

This specification covers a corrosion- and heat-resistant steel in the form of bars, wire, forgings, mechanical tubing, flash-welded rings, and stock for forging or flash-welded rings.

AMS F Corrosion and Heat Resistant Alloys Committee

Titanium Alloy Bars and Forging Stock, 8Al - 1Mo - 1V, Duplex Annealed

AMS6910E (Current)

9/10/2026

This specification covers a titanium alloy in the form of bars up through 4.000 inches (101.60 mm), inclusive, in nominal diameter or least distance between parallel sides, and stock for forging of any size (see 8.7).

AMS G Titanium and Refractory Metals Committee

Carbon Fiber Fabric Repair Prepreg, 120 °C (250 °F) Vacuum Curing, Part 1 - General Requirements

AMS3970/1B (Current)

9/10/2026

AMS3970/1 gives information about the technical requirements and qualification procedure for carbon fiber fabric epoxy prepreg and a companion non-structural glass prepreg used for repair of carbon fiber reinforced epoxy structures. The prepreg system may include a film adhesive to be applied in a co-curing process with the prepreg for joint and sandwich bonding. The need for a film adhesive shall be established during screening tests.

AMS CACRC Commercial Aircraft Composite Repair Committee

Heat Treatment, Martensitic Corrosion-Resistant Steel Parts

AMS2759/5G (Current)

9/10/2026

This specification, in conjunction with the general requirements for steel heat treatment covered in AMS2759, establishes the requirements for heat treatment of martensitic corrosion-resistant steel parts. Parts are defined in AMS2759. General ordering instructions are specified in AMS2759.

AMS F Corrosion and Heat Resistant Alloys Committee

Steel, Corrosion-Resistant, Investment Castings, 15Cr - 4.6Ni - 0.22Cb - 2.8Cu (15–5 PH®), Solution and Precipitation Heat Treated (H935), 170 ksi (1172 MPa) Tensile Strength

AMS5400E (Current)

9/10/2026

This specification covers a corrosion-resistant steel in the form of investment castings solution and precipitation heat treated to 170 ksi (1172 MPa) tensile strength.

AMS F Corrosion and Heat Resistant Alloys Committee

Titanium Alloy, Bars, Wire, Forgings, and Rings, 6Al - 6V - 2Sn, Annealed, Heat Treatable

AMS4971N (Current)

9/10/2026

This specification covers a titanium alloy in the form of bars, wire, forgings, and flash-welded rings 4.000 inches (101.60 mm) and under in diameter or least distance between parallel sides and stock for forging or flash-welded rings of any size (see 8.6).

AMS G Titanium and Refractory Metals Committee

Leaded Red Brass, Sand and Centrifugal Castings, 85Cu - 5.0Sn - 5.0Pb - 5.0Zn, As Cast

AMS4855H (Current)

9/10/2026

This specification covers a leaded red brass alloy in the form of sand and centrifugal castings (see 8.5).

AMS D Nonferrous Alloys Committee

Nickel Alloy, Corrosion- and Heat-Resistant, Investment Castings, 61Ni - 16Cr - 8.5Co - 1.8Mo - 2.6W - 0.85Cb, (Nb) - 3.4Ti - 1.8Ta - 3.4Al - 0.010B - 0.05Zr (738), Vacuum Melted, Vacuum Cast, As Cast, or Solution Treated, or Solution and Precipitation Hardened

AMS5410D (Current)

9/10/2026

This specification covers a corrosion- and heat-resistant vacuum melted nickel alloy in the form of investment castings.

AMS F Corrosion and Heat Resistant Alloys Committee

Manganese Bronze, Sand and Centrifugal Castings, 58Cu - 39Zn - 1.2Fe - 1.0Al - 0.80Mn, As Cast

AMS4860G (Current)

9/10/2026

This specification covers a manganese bronze alloy in the form of sand and centrifugal castings (see 8.5).

AMS D Nonferrous Alloys Committee

Aluminum Alloy, Sheet and Plate, 4.4Cu - 1.5Mg - 0.60Mn (2024; -T3 Flat Sheet, -T351 Plate), Solution Heat Treated

AMS4037S (Current)

9/10/2026

This specification covers an aluminum alloy in the form of sheet and plate from 0.008 to 4.000 inches (0.20 to 101.60 mm) in thickness, inclusive (see 8.5).

AMS D Nonferrous Alloys Committee

Steel, Corrosion- and Heat-Resistant, Bars, Wire, Forgings, Forging and Ring Stock, Mechanical Tubing, and Rings, 12Cr (410 MOD), Ferrite Controlled, Annealed, Consumable Electrode Melted

AMS5611H (Current)

9/10/2026

This specification covers a premium aircraft-quality, corrosion- and heat-resistant steel in the form of bars, wire, forgings, mechanical tubing, flash-welded rings, and stock for forging or flash-welded rings.

AMS F Corrosion and Heat Resistant Alloys Committee

Steel, Bars, Forgings, Mechanical Tubing, and Forging Stock, 1.45Cr (0.93 - 1.05C) (SAE 52100), Aircraft Quality For Bearing Applications

AMS6440U (Current)

9/10/2026

This specification covers a low-alloy steel in the form of bars, forgings, mechanical tubing, and forging stock.

AMS E Carbon and Low Alloy Steels Committee

Steel Bars, Forgings, Mechanical Tubing and Forging Stock 1.75Cr - 4.0Ni - 0.5Mo - (0.35 - 0.40C) Premium Aircraft Quality Consumable Electrode Vacuum Remelted

AMS6551B (Current)

9/10/2026

This specification covers a premium aircraft-quality, low-alloy steel in the form of bars, forgings, mechanical tubing, and forging stock.

AMS E Carbon and Low Alloy Steels Committee

Steel Bars, Forgings, Mechanical Tubing and Forging Stock, 1.0Cr - 3.2Ni - 0.2Mo (0.12 - 0.17C) (ISO 14NiCrMo1304), Premium Aircraft-Quality, Double Vacuum Melted

AMS6549B (Current)

9/10/2026

This specification covers a premium aircraft-quality, low-alloy steel in the form of bars, forgings, mechanical tubing, and forging stock.

AMS E Carbon and Low Alloy Steels Committee

Steel, Corrosion-Resistant, Bars, Wire, Forging, and Forging Stock, 13Cr (0.30-0.40C) (420), Annealed

AMS5621J (Current)

9/10/2026

This specification covers a corrosion-resistant steel in the form of bars, wire, forgings, and forging stock.

AMS F Corrosion and Heat Resistant Alloys Committee

Steel, Corrosion- and Heat-Resistant, Bars, Wire, Forgings, Mechanical Tubing, Rings, and Forging Stock, 18Cr - 10Ni - 0.40Ti (SAE 321), Solution Heat Treated

AMS5645U (Current)

9/10/2026

This specification covers a corrosion- and heat-resistant steel in the form of forgings, wire, bars, mechanical tubing, flash-welded rings, and stock of any size for forging or flash-welded rings.

AMS F Corrosion and Heat Resistant Alloys Committee

Cobalt Alloy, Corrosion- and Heat-Resistant, Investment Castings, 60Co - 29Cr - 4.5W (Stellite® 6), As Cast

AMS5387G (Current)

9/10/2026

This specification covers a corrosion- and heat-resistant cobalt alloy in the form of investment castings.

AMS F Corrosion and Heat Resistant Alloys Committee

Titanium Alloy, Investment Castings 6Al - 4V, 130 UTS, 120 YS,6% EL, Hot Isostatically Pressed, Anneal Optional or When Specified

AMS4985F (Current)

9/9/2026

This specification covers a titanium alloy in the form of investment castings (see 8.6).

AMS G Titanium and Refractory Metals Committee

Compound, Corrosion-Preventive, Thin Film, Fingerprint Removing

AMS3065J (Current)

9/9/2026

This specification covers corrosion-preventive organic substances dissolved or emulsified in a volatile solvent and supplied in the form of a ready-to-use liquid.

AMS B Finishes Processes and Fluids Committee

Copper-Nickel-Tin Alloy, Bars and Rods, 77Cu - 15Ni - 8Sn, Solution Annealed, Cold Finished, and Spinodal Hardened (TX TS)

AMS4597B (Current)

9/9/2026

This specification covers a copper-nickel-tin alloy in the form of bars and rods up to 3.25 inches (83 mm) in nominal thickness (see 8.7).

AMS D Nonferrous Alloys Committee

Laser Peening

AMS2546B (Current)

9/9/2026

This specification covers the requirements for computer-controlled laser peening of metal part surfaces to induce residual compressive stresses at and beneath the surface.

AMS B Finishes Processes and Fluids Committee

Steel, Corrosion- and Heat-Resistant, Seamless Tubing, 9.0Mn - 20Cr - 6.5Ni - 0.28N (21-6-9 LC), Solution Heat Treated

AMS5562G (Current)

8/24/2026

This specification covers a corrosion- and heat-resistant steel in the form of seamless tubing.

AMS F Corrosion and Heat Resistant Alloys Committee

Cobalt Alloy, Corrosion- and Heat-Resistant, Welding Wire, 54Co - 25.5Cr - 10.5Ni - 7.5W (Stellite® 31)

AMS5789F (Current)

8/24/2026

This specification covers a corrosion- and heat-resistant cobalt alloy in the form of welding wire.

AMS F Corrosion and Heat Resistant Alloys Committee

Steel, Sheet, Strip, and Plate, 0.95Cr - 0.22V (0.48 - 0.53C) (SAE 6150) Aircraft Quality

AMS6455N (Current)

8/24/2026

This specification covers an aircraft-quality, low-alloy steel in the form of sheet, strip, and plate.

AMS E Carbon and Low Alloy Steels Committee

Steel, Bars, Forgings, Mechanical Tubing and Forging Stock, 1.45Cr (0.93 - 1.05C) (SAE 52100), Premium Aircraft-Quality, Consumable Electrode Vacuum Remelted

AMS6444R (Current)

8/24/2026

This specification covers a premium aircraft-quality, low-alloy steel in the form of bars, forgings, mechanical tubing, and forging stock.

AMS E Carbon and Low Alloy Steels Committee

Forgings, Magnesium Alloy, 5.5Zn - 0.45Zr (ZK60A-T5), Precipitation Heat Treated

AMS4362J (Current)

8/18/2026

This specification covers a magnesium alloy in the form of die forgings 3 inches (76 mm) and under in nominal thickness at time of heat treatment, hand forgings 6 inches (152 mm) and under in nominal thickness, and forging stock of any size (see 8.5).

AMS D Nonferrous Alloys Committee

Steel, Corrosion-Resistant, Sheet, Strip, and Plate, 17Cr (SAE 430), Annealed

AMS5503H (Current)

8/18/2026

This specification covers a corrosion-resistant steel in the form of sheet, strip, and plate.

AMS F Corrosion and Heat Resistant Alloys Committee

Furnace Brazing of Parts in a Vacuum

AMS2678B (Current)

8/18/2026

This specification covers the requirements and procedures for the brazing of parts in a vacuum/partial pressure atmosphere, typically below 500 µm of mercury.

AMS B Finishes Processes and Fluids Committee

Steel, Corrosion- and Heat-Resistant, Forgings and Forging Stock, 12.5Cr (SAE 410), Enhanced Fracture Toughness, Annealed

AMS5867D (Current)

8/17/2026

This specification covers a corrosion- and heat-resistant steel in the form of forgings and forging stock.

AMS F Corrosion and Heat Resistant Alloys Committee

Rings, Flash-Welded, Aluminum and Aluminum Alloys

AMS7488H (Current)

8/14/2026

This specification covers flash-welded rings made of aluminum and aluminum alloys (see 8.5).

AMS D Nonferrous Alloys Committee

Steel Corrosion-Resistant Investment Castings, Vacuum Melted, Vacuum Cast, 13Cr - 8.0Ni - 2.2Mo - 1.1Al (PH 13-8 Mo), Homogenized, Solution, and Precipitation Heat Treated (Condition H1000)

AMS5412C (Current)

8/14/2026

This specification covers a corrosion-resistant steel in the form of investment castings.

AMS F Corrosion and Heat Resistant Alloys Committee

Aluminum Alloy, Alclad Sheet (6156-T4) 1.0Si - 0.90Cu - 0.60Mn - 0.90Mg Solution Heat Treated and Naturally Aged

AMS4405D (Current)

8/14/2026

This specification covers an aluminum alloy procured in the form of sheet 0.078 to 0.197 inch (2.00 to 5.00 mm), inclusive, in nominal thickness, Alclad on both sides (see 8.5).

AMS D Nonferrous Alloys Committee

Carbon Fiber Fabric Repair Prepreg, 120 °C (250 °F) Vacuum Curing, Part 0 - Introduction

AMS3970B (Current)

8/10/2026

This document (Technical Specification) gives information about qualification rules and the relation between the different specification parts involved, such as the Technical Specification (TS), Material Specification (MS), and Purchasing Specification (PS). The link to the material qualification and qualified products is presented.

AMS CACRC Commercial Aircraft Composite Repair Committee

Steel, Corrosion-Resistant, Wire, 17Cr - 7.1NI - 1.1Al (17-7 PH®), Cold Drawn, Precipitation-Hardenable

AMS5678H (Current)

8/10/2026

This specification covers a corrosion-resistant steel in the form of wire 0.007 to 0.625 inch (0.18 to 15.88 mm), inclusive, in nominal diameter, cold drawn to Condition C, and capable of being precipitation heat treated to Condition CH900.

AMS F Corrosion and Heat Resistant Alloys Committee

Steel, Corrosion- and Heat-Resistant, Wire, 17Cr - 12Ni - 2.5Mo (SAE 316), Solution Heat Treated

AMS5690P (Current)

8/5/2026

This specification covers a corrosion- and heat-resistant steel in the form of wire.

AMS F Corrosion and Heat Resistant Alloys Committee

Nickel Alloy, Corrosion- and Heat-Resistant, Welding Wire, 52.5Ni - 19Cr - 3.0Mo - 5.1Cb(Nb) - 0.90Ti - 0.50Al - 18Fe (Inconel® 718), Consumable Electrode or Vacuum Induction Melted

AMS5832K (Current)

8/3/2026

This specification covers a corrosion- and heat-resistant nickel alloy in the form of welding wire.

AMS F Corrosion and Heat Resistant Alloys Committee

Gold-Palladium-Nickel Alloy, Brazing Filler Metal, High-Temperature, 30Au - 34Pd - 36Ni, 2075 to 2130 °F (1135 to 1166 °C) Solidus-Liquidus Range

AMS4785L (Current)

8/3/2026

This specification covers a gold-palladium-nickel alloy in the form of wire, rod, sheet, strip, foil, pig, powder, shot, chips, preforms, and a viscous mixture (paste) of the powder in a suitable binder.

AMS F Corrosion and Heat Resistant Alloys Committee

Iron-Nickel Alloy, Strip, 49Fe - 5.3Cr - 42Ni - 2.5Ti - 0.55Al (Ni-Span-C® 902), Solution Heat Treated, Cold Rolled, 50% Reduction

AMS5225H (Current)

8/3/2026

This specification covers an iron-nickel alloy in the form of strip 0.020 to 0.250 inch (0.51 to 6.35 mm), inclusive, in nominal thickness.

AMS F Corrosion and Heat Resistant Alloys Committee

Nickel Alloy, Corrosion- and Heat-Resistant, Welding Wire, 72Ni - 3.0Mn - 20Cr - 2.5Cb(Nb) (Inconel® FM82)

AMS5836F (Current)

8/3/2026

This specification covers a corrosion- and heat-resistant nickel alloy in the form of welding wire.

AMS F Corrosion and Heat Resistant Alloys Committee

Steel, Corrosion-Resistant, Bars, Wire, Forgings, Extrusions, Rings, and Forging Stock 5.0Mn - 22Cr - 12.5Ni - 2.2Mo - 0.20Cb - 0.30N - 0.20V (SAE XM-19), Solution Heat Treated

AMS5764G (Current)

8/3/2026

This specification covers a corrosion-resistant steel in the form of bars, wire, forgings, extrusions, flash-welded rings, and stock for forging, extruding, or flash-welded rings.

AMS F Corrosion and Heat Resistant Alloys Committee

Nickel Alloy, Corrosion- and Heat-Resistant, Welding Wire, 72Ni - 15.5Cr - 1.0Cb(Nb) - 2.4Ti - 0.70Al - 7.0Fe (Inconel® FM69)

AMS5778L (Current)

8/3/2026

This specification covers a corrosion- and heat-resistant nickel alloy in the form of welding wire.

AMS F Corrosion and Heat Resistant Alloys Committee

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