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National Stock Number:
5305-00-167-2355
Federal Supply Class:
5305
National Item Identification Number:
001672355
Description:
SCREW,TAPPING
Detail:
A hardened externally threaded fastener whose thread extends to the bearing surface of the head. The thread may be fluted or otherwise designed to cut or form its own mating thread. Excludes SCREW, ASSEMBLED WASHER.
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Manufacturer Information:
| AC531-8-6 | 80049 | DEPARTMENT OF THE AIR FORCE | | AN531-8-6 | 88044 | AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE |
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Techincal Specification:
| COUNTERSINK ANGLE | 80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM | | FASTENER LENGTH | 0.375 INCHES NOMINAL | | HEAD DIAMETER | 0.320 INCHES MINIMUM AND 0.332 INCHES MAXIMUM | | HEAD STYLE | FLAT COUNTERSUNK | | INTERNAL DRIVE STYLE | SLOT | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-685 COND N FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 4130 OVERALL | | NONMACHINE NOMINAL THREAD DIAMETER | 0.163 INCHES | | NONMACHINE THREAD STYLE | DOG TYPE (TYPE B OR C) | | SURFACE TREATMENT | CADMIUM OR ZINC OVERALL |
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