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National Stock Number:
5305-01-627-0431
Federal Supply Class:
5305
National Item Identification Number:
016270431
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:
| 1589652 | S3002 | GENERAL DYNAMICS EUROPEAN LAND SYSTEMS - MOWAG GMBH | | 4123366 | 38921 | ALLEN-VANGUARD CORPORATION | | 91286A302 | 39428 | MCMASTER-CARR SUPPLY CO |
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Techincal Specification:
| COLOR | SILVER OVERALL | | EXTERNAL THREAD TOLERANCE CLASS | 2A | | FASTENER LENGTH | 2.500 INCHES NOMINAL | | HANDLE DIAMETER | 0.438 INCHES NOMINAL | | HARDNESS RATING | 33.0 ROCKWELL C MINIMUM OVERALL | | HEAD HEIGHT | 0.281 INCHES NOMINAL | | HEAD STYLE | HEXAGON | | MATERIAL | STEEL PROPERTY CLASS 8.8 OVERALL | | MINIMUM TENSILE STRENGTH | 150000 POUNDS PER SQUARE INCH | | PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW, HEXAGON HEAD CAP | | NOMINAL THREAD DIAMETER | 0.438 INCHES | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 1.125 INCHES MINIMUM AND 1.500 INCHES MAXIMUM | | THREAD QUANTITY PER INCH | 20 | | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) | | WIDTH BETWEEN FLATS | 0.625 INCHES NOMINAL |
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