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National Stock Number:
5305-00-838-2121
Federal Supply Class:
5305
National Item Identification Number:
008382121
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:
| S1021Z8-8 | 71379 | CESSNA AIRCRAFT COMPANY | | S1021Z8-8 | 7EK50 | TEXTRON AVIATION INC |
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Techincal Specification:
| FASTENER LENGTH | 0.500 INCHES NOMINAL | | FEATURES PROVIDED | CASEHARDENED | | HEAD DIAMETER | 0.160 INCHES MINIMUM AND 0.173 INCHES MAXIMUM | | HEAD HEIGHT | 0.088 INCHES MINIMUM AND 0.102 INCHES MAXIMUM | | HEAD STYLE | ROUND | | INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 | | MATERIAL | STEEL OVERALL | | NONMACHINE NOMINAL THREAD DIAMETER | 0.164 INCHES | | NONMACHINE THREAD STYLE | DOG TYPE (TYPE B OR C) | | SURFACE TREATMENT | CADMIUM OVERALL |
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