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National Stock Number:
5305-00-998-6473
Federal Supply Class:
5305
National Item Identification Number:
009986473
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:
| 9415174 | 72582 | ROLLS-ROYCE SOLUTIONS AMERICA INC | | 945174 | 72582 | ROLLS-ROYCE SOLUTIONS AMERICA INC |
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Techincal Specification:
| FASTENER LENGTH | 3.438 INCHES NOMINAL | | HEAD HEIGHT | 0.330 INCHES NOMINAL | | HEAD STYLE | DISTORTED HEAD | | MATERIAL | STEEL OVERALL | | NOMINAL THREAD DIAMETER | 0.500 INCHES | | WIDTH BETWEEN FLATS | 0.742 INCHES NOMINAL | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 1.250 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 20 | | THREAD SERIES DESIGNATOR | UNF |
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