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National Stock Number:
5305-01-078-1189
Federal Supply Class:
5305
National Item Identification Number:
010781189
Description:
SCREW,CAP,HEXAGON HEAD
Detail:
An externally threaded fastener designed for insertion into holes in assembled parts, for mating with a preformed internal thread and for tightening or releasing by torquing the head. The threaded and unthreaded portions are both of the same nominal diameter of 0.190 inch (5 mm) or larger. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. The thread length being the controlled dimension, the grip length is not specified. A locking feature may be incorporated in the design of the head or threads. Excludes BOLT, MACHINE; BOLT, EXTERNALLY RELIEVED BODY; BOLT, INTERNAL WRENCHING; and SCREW, CAP, SOCKET HEAD.
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Manufacturer Information:
| 12282046 | 19200 | US ARMY ARDEC RDECOM | | 12282046 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM | | 5305010781189 | A00AM | E.C.A ETABLISSEMENT CENTRAL DESAPPROVISIONNEMENTS DES FORCES ARMEE |
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Techincal Specification:
| FASTENER LENGTH | 2.690 INCHES NOMINAL | | HEAD HEIGHT | 0.310 INCHES NOMINAL | | HEAD STYLE | HEXAGON | | MATERIAL | STEEL COMP 4130 OVERALL | | NOMINAL THREAD DIAMETER | 0.375 INCHES | | SPECIAL FEATURES | RIGHT HAND THREAD5/16-32UNEF-3A | | WIDTH BETWEEN FLATS | 0.562 INCHES NOMINAL | | THREAD DIRECTION | LEFT-HAND | | THREAD CLASS | 3A | | THREAD LENGTH | 2.500 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 32 | | THREAD SERIES DESIGNATOR | UNEF |
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