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National Stock Number:
5306-01-531-1786
Federal Supply Class:
5306
National Item Identification Number:
015311786
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:
| 6781961-1 | 53711 | NAVAL SEA SYSTEMS COMMAND |
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Techincal Specification:
| EXTENDED WASHER DIAMETER | 0.812 INCHES MINIMUM AND 0.822 INCHES MAXIMUM | | EXTENDED WASHER THICKNESS | 0.120 INCHES NOMINAL | | FASTENER LENGTH | 3.335 INCHES MINIMUM AND 3.395 INCHES MAXIMUM | | HEAD HEIGHT | 0.370 INCHES NOMINAL | | HEAD STYLE | HEXAGON EXTENDED WASHER | | MATERIAL | TITANIUM ALLOY OVERALL | | NOMINAL THREAD DIAMETER | 0.375 INCHES | | SPECIAL FEATURES | BOLT, LOCK | | WIDTH BETWEEN FLATS | 0.617 INCHES MINIMUM AND 0.625 INCHES MAXIMUM | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 1.875 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 16 | | THREAD SERIES DESIGNATOR | UNC |
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