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National Stock Number:
5305-01-492-1932
Federal Supply Class:
5305
National Item Identification Number:
014921932
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:
| 522C504 | 90099 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | 522C504106 | 90099 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | 6508E33FN50 | 90099 | NORTHROP GRUMMAN SYSTEMS CORPORATION |
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Techincal Specification:
| FASTENER LENGTH | 0.970 INCHES MINIMUM AND 1.020 INCHES MAXIMUM | | HEAD HEIGHT | 0.302 INCHES MINIMUM AND 0.322 INCHES MAXIMUM | | HEAD STYLE | HEXAGON | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A-193, GRADE B7 ASSN STD ALL MATERIAL RESPONSES OVERALL | | MATERIAL | STEEL COMP 4140 AND STEEL COMP 4142 AND STEEL COMP 4145 OVERALL | | NOMINAL THREAD DIAMETER | 0.500 INCHES | | WIDTH BETWEEN FLATS | 0.736 INCHES MINIMUM AND 0.750 INCHES MAXIMUM | | SURFACE FINISH | 250.0 MICROINCHES SIDES OF HEAD | | SURFACE FINISH | 250.0 MICROINCHES POINT | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD QUANTITY PER INCH | 13 | | THREAD SERIES DESIGNATOR | UNC |
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