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National Stock Number:
5305-00-021-4002
Federal Supply Class:
5305
National Item Identification Number:
000214002
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:
| 143177 | 24617 | GENERAL MOTORS CORP | | 143177 | 7X677 | GENERAL MOTORS LLC | | 214002 | 24617 | GENERAL MOTORS CORP | | 214002 | 7X677 | GENERAL MOTORS LLC | | 6S8 | 70876 | BATH IRON WORKS CORPORATION | | 76771 | 57733 | STEWART-WARNER CORPORATION | | SP502 | 24785 | VICKERS INC |
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Techincal Specification:
| FASTENER LENGTH | 0.750 INCHES NOMINAL | | HARDNESS RATING | 100.0 ROCKWELL B MAXIMUM OVERALL | | HEAD HEIGHT | 0.188 INCHES NOMINAL | | HEAD STYLE | HEXAGON | | MATERIAL | STEEL OVERALL | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | WIDTH BETWEEN FLATS | 0.438 INCHES NOMINAL | | SURFACE TREATMENT | CADMIUM OVERALL | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.750 INCHES NOMINAL | | THREAD SERIES DESIGNATOR | UNC | | THREAD QUANTITY PER INCH | 20 |
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