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National Stock Number:
5305-01-488-6989
Federal Supply Class:
5305
National Item Identification Number:
014886989
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:
| 522C504028 | 90099 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | 6510E71FN85 | 90099 | NORTHROP GRUMMAN SYSTEMS CORPORATION |
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Techincal Specification:
| FASTENER LENGTH | 8.820 INCHES MINIMUM AND 9.120 INCHES MAXIMUM | | HEAD HEIGHT | 0.302 INCHES MINIMUM AND 0.322 INCHES MAXIMUM | | HEAD STYLE | HEXAGON | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM-A-449 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL OVERALL | | NOMINAL THREAD DIAMETER | 0.500 INCHES | | WIDTH BETWEEN FLATS | 0.736 INCHES MINIMUM AND 0.750 INCHES MAXIMUM | | SURFACE FINISH | 250.0 MICROINCHES HEAD | | SURFACE FINISH | 250.0 MICROINCHES POINT | | THREAD DIRECTION | RIGHT-HAND | | THREAD CLASS | 2A | | THREAD LENGTH | 1.250 INCHES NOMINAL | | THREAD SERIES DESIGNATOR | UNC | | THREAD QUANTITY PER INCH | 13 |
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