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National Stock Number:
5306-00-274-2476
Federal Supply Class:
5306
National Item Identification Number:
002742476
Description:
BOLT,MACHINE
Detail:
An externally threaded fastener designed for insertion through holes in assembled parts and normally intended to be tightened or released by torquing a nut. The threaded and unthreaded portions are both of one nominal diameter of 0.190 inch (5 mm) or larger. The head is not designed to be held or driven with an inserted driver or by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. For items having a grip length portion machined to a tolerance of 0.0015 inch (0.038 mm) or less, BOLT, SHEAR. See also SCREW, CAP, HEXAGON HEAD and SCREW, MACHINE.
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Manufacturer Information:
| 750372 | 10001 | NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER |
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Techincal Specification:
| EXTENDED WASHER THICKNESS | 0.125 INCHES NOMINAL | | EXTENDED WASHER DIAMETER | 0.531 INCHES NOMINAL | | FASTENER LENGTH | 1.313 INCHES NOMINAL | | FEATURES PROVIDED | FINISHED HEAD | | HEAD HEIGHT | 0.500 INCHES NOMINAL | | HEAD STYLE | SQUARE EXTENDED WASHER | | MATERIAL DOCUMENT AND CLASSIFICATION | | | NOMINAL THREAD DIAMETER | 0.312 INCHES | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.750 INCHES MINIMUM | | THREAD QUANTITY PER INCH | 24 | | THREAD SERIES DESIGNATOR | UNF | | SPECIAL FEATURES | TOP EDGE OF WASHER ROUNDED ON 0.031 IN. RADIUS | | WIDTH BETWEEN FLATS | 0.307 INCHES MINIMUM AND 0.312 INCHES MAXIMUM |
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