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National Stock Number:
5305-01-155-9788
Federal Supply Class:
5305
National Item Identification Number:
011559788
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:
| 518-4674802 ITEM 10 | 53711 | NAVAL SEA SYSTEMS COMMAND |
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Techincal Specification:
| FASTENER LENGTH | 7.960 INCHES MINIMUM AND 8.040 INCHES MAXIMUM | | HEAD HEIGHT | 0.690 INCHES NOMINAL | | HEAD STYLE | HEXAGON | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-286 CL A FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | NICKEL ALLOY K-500 OVERALL | | NOMINAL THREAD DIAMETER | 1.000 INCHES | | SPECIAL FEATURES | UNDERCUT BETWEEN SHANK AND THREADS 0.380 IN. WIDE 0.800 IN. DIA | | WIDTH BETWEEN FLATS | 1.500 INCHES NOMINAL | | SURFACE FINISH | 62.0 MICROINCHES GRIP | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 1.830 INCHES MINIMUM AND 1.950 INCHES MAXIMUM | | THREAD QUANTITY PER INCH | 8 | | THREAD SERIES DESIGNATOR | UNC |
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