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National Stock Number:
5305-01-610-7077
Federal Supply Class:
5305
National Item Identification Number:
016107077
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:
| 1262-1317-1 | 11939 | KIDDE FIRE FIGHTING, INC. |
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Techincal Specification:
| PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW, HEX HEAD, 5/16-18 X 1-1/4 LONG | | NOMINAL THREAD DIAMETER | 0.313 INCHES | | NONSTANDARD THREAD PITCH DIAMETER | +0.250 TO 0.313 INCHES | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD QUANTITY PER INCH | 18 | | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) |
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