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National Stock Number:
5305-01-621-0444
Federal Supply Class:
5305
National Item Identification Number:
016210444
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:
| 803-5000902 ITEM 40 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 91412A120 | 39428 | MCMASTER-CARR SUPPLY CO |
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Techincal Specification:
| FASTENER LENGTH | 1.000 INCHES NOMINAL | | HEAD HEIGHT | 0.156 INCHES NOMINAL | | HEAD STYLE | HEXAGON | | LOCKING FEATURE | PATCH THREADS | | PART NAME ASSIGNED BY CONTROLLING AGENCY | HEX HEAD CAP SCREW | | MATERIAL | STEEL COMP 302 OVERALL | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 1.000 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 20 | | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) | | WIDTH BETWEEN FLATS | 0.438 INCHES NOMINAL |
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