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National Stock Number:
5305-00-004-4213
Federal Supply Class:
5305
National Item Identification Number:
000044213
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:
| AS13512 | 0U583 | SAE INTERNATIONAL | | AS13512 | U1653 | SOCIETY OF BRITISH AEROSPACE COMPANI LTD SBAC |
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Techincal Specification:
| EXTENDED WASHER DIAMETER | 0.442 INCHES NOMINAL | | EXTENDED WASHER THICKNESS | 0.075 INCHES NOMINAL | | FASTENER LENGTH | 0.750 INCHES NOMINAL | | HARDNESS RATING | 35.0 ROCKWELL C NOMINAL OVERALL | | HEAD HEIGHT | 0.305 INCHES NOMINAL | | HEAD STYLE | DOUBLE HEXAGON W/HOLE | | MATERIAL | STEEL COMP 316 OVERALL | | MINIMUM TENSILE STRENGTH | 169800 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | WIDTH BETWEEN FLATS | 0.353 INCHES NOMINAL | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.679 INCHES MINIMUM AND 0.750 INCHES MAXIMUM | | THREAD QUANTITY PER INCH | 28 | | THREAD SERIES DESIGNATOR | UNF |
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