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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:
| NONMACHINE THREAD STYLE | DOG TYPE (TYPE B OR C) | | NONMACHINE NOMINAL THREAD DIAMETER | 0.190 INCHES | | FASTENER LENGTH | 0.425 INCHES NOMINAL | | MATERIAL | STEEL OR | | STEEL COMP 1035 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A575 ASSN STD 1ST MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | PHOSPHATE OVERALL | | HARDNESS RATING | 15.0 ROCKWELL C MINIMUM AND | | 30.0 ROCKWELL C MAXIMUM OVERALL | | HEAD STYLE | FLAT COUNTERSUNK | | HEAD DIAMETER | 0.315 INCHES NOMINAL | | COUNTERSINK ANGLE | 81.0 DEGREES NOMINAL | | INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 |
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