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National Stock Number:
5305-01-209-7143
Federal Supply Class:
5305
National Item Identification Number:
012097143
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:
| 35287119 | 33968 | CLARK EQUIPMENT CO | | TEKS/3 | 78189 | ITW SHAKEPROOF AUTOMOTIVE PRODUCTS |
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Techincal Specification:
| EXTENDED WASHER DIAMETER | 0.480 INCHES MINIMUM AND 0.520 INCHES MAXIMUM | | EXTENDED WASHER THICKNESS | 0.030 INCHES MINIMUM AND 0.050 INCHES MAXIMUM | | FASTENER LENGTH | 0.750 INCHES NOMINAL | | HEAD HEIGHT | 0.072 INCHES MINIMUM AND 0.090 INCHES MAXIMUM | | HEAD STYLE | HEXAGON EXTENDED WASHER | | INTERNAL DRIVE STYLE | W/O INTERNAL DRIVE | | MATERIAL | STEEL COMP 1020 OVERALL | | NONMACHINE NOMINAL THREAD DIAMETER | 0.250 INCHES | | WIDTH BETWEEN FLATS | 0.367 INCHES MINIMUM AND 0.375 INCHES MAXIMUM | | SURFACE TREATMENT | CADMIUM OR PHOSPHATE OVERALL |
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