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National Stock Number:
5305-00-731-0009
Federal Supply Class:
5305
National Item Identification Number:
007310009
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:
| 7310009 | 19200 | US ARMY ARDEC RDECOM | | 7310009 | 19205 | SPRINGFIELD ARMORY |
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Techincal Specification:
| COUNTERSINK ANGLE | 81.0 DEGREES NOMINAL | | FASTENER LENGTH | 0.425 INCHES NOMINAL | | HARDNESS RATING | 15.0 ROCKWELL C MINIMUM AND 30.0 ROCKWELL C MAXIMUM OVERALL | | HEAD DIAMETER | 0.315 INCHES NOMINAL | | HEAD STYLE | FLAT COUNTERSUNK | | INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A575 ASSN STD 1ST MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL OR STEEL COMP 1035 OVERALL | | NONMACHINE NOMINAL THREAD DIAMETER | 0.190 INCHES | | NONMACHINE THREAD STYLE | DOG TYPE (TYPE B OR C) | | SURFACE TREATMENT | PHOSPHATE OVERALL |
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