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BOLT, MACHINE - DOUBLE HEXAGON EXTENDED WASHER HEAD, PD SHANK, STEEL SAE 8740, CADMIUM PLATED, 125 KSI MIN. UTS, .4375-20 UNJF-3A
- Aerospace Standard
- AS9918A
- Revised
Downloadable datasets available
Annotation ability available
Sector:
Issuing Committee:
Language:
English
Rationale
GENERAL REVISION. REVISE LIGHTENING HOLE CONFIGURATION (ADD SECTION VIEW) TO ALLOW OPTIONAL SHAPE AT BOTTOM OF HOLE, ADD EXCEPTION TO EDGE DISTANCE REQUIREMENTS FOR HEAD MARKING, UPDATE THREAD SPECIFICATION TO AS8879, UPDATE DIMENSIONING AND TOLERANCING TO ANSI Y14.5M-1982, UPDATE SURFACE FINISH REQUIREMENTS, ADD AS3062 FOR INCOMPLETE THREAD REQUIREMENTS, ADD DATUM REQUIREMENTS FOR -04 THRU -18 LENGTHS (NEW NOTE 1), ADD MIN. BEARING FACE DIAMETER, DELETE .015 MAX RADIUS AT BASE OF WRENCH PAD, UPDATE MAGNETIC PARTICLE INSPECTION REFERENCE, ADD CADMIUM NOTICE, GENERAL EDITORIAL UPDATE, AND FIGURE 1 REDRAWN.
Data Sets - Support Documents
| Title | Description | Download |
|---|---|---|
| TABLE 1 | PART NUMBERS AND DIMENSIONS |
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
| Number | Title |
|---|---|
| AMS2400 | PLATING, CADMIUM |
| AMS2640 | Magnetic Particle Inspection |
| AMS6322 | STEEL .5 Ni .5 Cr .25 Mo (.38 - .43 C) |
| ANSI Y14.5M | This document is not part of the subscrption. |
| AS7452 | BOLTS AND SCREWS, STEEL, LOW ALLOY Heat Treated, Roll Threaded |
| ASME B46.1 | This document is not part of the subscrption. |
| ASME Y14.36M | This document is not part of the subscrption. |
| ASTME1444 | This document is not part of the subscrption. |
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