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National Stock Number:
5305-00-835-4720
Federal Supply Class:
5305
National Item Identification Number:
008354720
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:
| MS21207-4-4 | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
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Techincal Specification:
| COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM | | FASTENER LENGTH | 0.250 INCHES NOMINAL | | FEATURES PROVIDED | CASEHARDENED | | HEAD DIAMETER | 0.200 INCHES MINIMUM AND 0.225 INCHES MAXIMUM | | HEAD STYLE | FLAT COUNTERSUNK | | 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 DOCUMENT AND CLASSIFICATION | QQ-P-416,TYPE 2,CLASS 3 FED SPEC ALL TREATMENT RESPONSES OVERALL | | SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL |
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