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National Stock Number:
5305-00-261-3544
Federal Supply Class:
5305
National Item Identification Number:
002613544
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:
| FFS107TYPECFSTYLE1S | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC |
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Techincal Specification:
| FASTENER LENGTH | 0.250 INCHES NOMINAL | | FEATURES PROVIDED | CASEHARDENED | | HARDNESS RATING | 97.8 ROCKWELL B NOMINAL OVERALL | | HEAD DIAMETER | 0.287 INCHES MINIMUM AND 0.309 INCHES MAXIMUM | | HEAD HEIGHT | 0.107 INCHES MINIMUM AND 0.120 INCHES MAXIMUM | | HEAD STYLE | ROUND | | INTERNAL DRIVE STYLE | SLOT | | MATERIAL DOCUMENT AND CLASSIFICATION | AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 410 OVERALL | | MINIMUM YIELD STRENGTH | 85000 POUNDS PER SQUARE INCH | | NONDEFINITIVE SPEC/STD DATA | 1S STYLE AND CF TYPE | | NONMACHINE NOMINAL THREAD DIAMETER | 0.164 INCHES | | NONMACHINE THREAD STYLE | DOUBLE FLUTE (TYPE F) |
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