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National Stock Number:
5305-01-619-3242
Federal Supply Class:
5305
National Item Identification Number:
016193242
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:
| L140021 | 19397 | BAE SYSTEMS INFORMATION & ELECTRONIC SYSTEMS INTEGRATION INC. | | L140021-050350 | 19397 | BAE SYSTEMS INFORMATION & ELECTRONIC SYSTEMS INTEGRATION INC. |
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Techincal Specification:
| FASTENER LENGTH | 3.50 INCHES NOMINAL | | HEAD HEIGHT | 0.302 INCHES MINIMUM AND 0.323 INCHES MAXIMUM | | HEAD STYLE | HEXAGON | | MATERIAL DOCUMENT AND CLASSIFICATION | SAE J429,GR 8 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OR ASTM A354,GR BD ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL OVERALL | | PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW,CAP,HEX HEAD | | NOMINAL THREAD DIAMETER | 0.500 INCHES | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | IAW L140020,NOTES 3,5,6 OR 8 MFR REF SINGLE TREATMENT RESPONSE OVERALL | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 1.25 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 13 | | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) | | WIDTH BETWEEN FLATS | 0.750 INCHES NOMINAL |
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