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BOLT, MACHINE-HEX HEAD-DRILLED, PD SHANK, LONG THREAD, AMS5731, METRIC
- Aerospace Standard
- MA3398
- Reaffirmed
Downloadable datasets available
Annotation ability available
Sector:
Issuing Committee:
Language:
English
Rationale
MA3398 HAS BEEN REAFFIRMED TO COMPLY WITH THE SAE FIVE-YEAR REVIEW POLICY.
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1
FOR PART NUMBERS WHICH ARE THREADED TO WITHIN ONE DIAMETER OF THE HEAD THE THREAD PD SHALL REPLACE DATUM B.
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2
MATERIAL: CORROSION AND HEAT RESISTANT STEEL, AMS5731 (UNS S66266)
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3
PROCUREMENT SPECIFICATION: MA 3374
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4
HARDNESS: 26-35 HRC OR EQUIVALENT.
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5
FLUORESCENT PENETRANT INSPECTION: AMS 2645. ACCEPTANCE CRITERIA PER MA3374.
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6
SURFACE TEXTURE: SYMBOLS PER ANSI Y14.36-1978; REQUIREMENTS PER ANSI/ASME B46.1-1985. UNLESS OTHERWISE SPECIFIED SURFACES TO BE 3.2 MICROMETRES Ra.
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7
PART NUMBER SHALL INCLUDE THE STANDARD NUMBER AND THE DASH NUMBER TO INDICATE DIAMETER AND LENGTH. EXAMPLE OF PART NUMBER:
MA3398-030014 = BOLT, MJ3×0.5 THREAD, 14 LONG. MA3398-200114 = BOLT, MJ20×l.5 THREAD, 114 LONG. -
8
MARK PART NUMBER AND MANUFACTURER'S IDENTIFICATION PER AS 478 CLASS A. FOR MJ3 AND MJ4 MARK ONLY MA3398 AND MANUFACTURER'S IDENTIFICATION.
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9
BREAK EDGES 0.1-0.4, UNLESS OTHERWISE SPECIFIED.
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10
DIMENSIONING AND TOLERANCING: ANSI Y14.5M-1982. TOLERANCE GRADE PER ANSI B4.2-1978.
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11
ALL DIMENSIONS IN MILLIMETRES UNLESS OTHERWISE SPECIFIED.
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12
DO NOT USE UNASSIGNED PART NUMBERS.
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Issuing Committee
E-25 General Standards for Aerospace and Propulsion Systems
The SAE E-25 General Standards for Aerospace & Propulsion Systems committee addresses aerospace propulsion systems and components. These systems and components include bolts, screws, nuts, washers, studs, rivets, pins, covers, O-rings, brackets, plugs and associated procurement requirements, as well as solid film lubricants and design specifications for screw threads and fastener assembly requirements.
Reference
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