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National Stock Number:
5305-00-205-3103
Federal Supply Class:
5305
National Item Identification Number:
002053103
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:
| S1021Z4-8 | 71379 | CESSNA AIRCRAFT COMPANY | | S1021Z4-8 | 7EK50 | TEXTRON AVIATION INC |
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Techincal Specification:
| FASTENER LENGTH | 0.500 INCHES NOMINAL | | FEATURES PROVIDED | CASEHARDENED | | HEAD DIAMETER | 0.241 INCHES MINIMUM AND 0.258 INCHES MAXIMUM | | HEAD HEIGHT | 0.059 INCHES MINIMUM AND 0.069 INCHES MAXIMUM | | HEAD STYLE | BUTTON | | INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 | | MATERIAL | STEEL OVERALL | | NONMACHINE NOMINAL THREAD DIAMETER | 0.112 INCHES | | NONMACHINE THREAD STYLE | DOG TYPE (TYPE B OR C) | | SURFACE TREATMENT | CADMIUM OVERALL |
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