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National Stock Number:
5305-00-550-1538
Federal Supply Class:
5305
National Item Identification Number:
005501538
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:
| FFS107 | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC |
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Techincal Specification:
| FASTENER LENGTH | 0.500 INCHES NOMINAL | | FEATURES PROVIDED | CASEHARDENED | | HEAD HEIGHT | 0.172 INCHES MINIMUM AND 0.190 INCHES MAXIMUM | | HEAD STYLE | HEXAGON | | NONDEFINITIVE SPEC/STD DATA | B TYPE | | NONMACHINE NOMINAL THREAD DIAMETER | 0.250 INCHES | | NONMACHINE THREAD STYLE | DOG TYPE (TYPE B OR C) | | INTERNAL DRIVE STYLE | W/O INTERNAL DRIVE | | MATERIAL | STEEL OVERALL | | WIDTH BETWEEN FLATS | 0.367 INCHES MINIMUM AND 0.375 INCHES MAXIMUM |
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