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National Stock Number:
5306-01-456-7012
Federal Supply Class:
5306
National Item Identification Number:
014567012
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:
| 211055571 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 754-6407000 ITEM 27 | 53711 | NAVAL SEA SYSTEMS COMMAND |
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Techincal Specification:
| FASTENER LENGTH | 0.500 INCHES NOMINAL | | FEATURES PROVIDED | FINISHED HEAD | | HEAD HEIGHT | 0.150 INCHES MINIMUM AND 0.163 INCHES MAXIMUM | | HEAD STYLE | HEXAGON | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTMGBASTM F594 ASSN STD 2ND MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 304 OVERALL | | MINIMUM TENSILE STRENGTH | 75000 POUNDS PER SQUARE INCH | | MINIMUM YIELD STRENGTH | 30000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | WIDTH BETWEEN FLATS | 0.425 INCHES MINIMUM AND 0.437 INCHES MAXIMUM | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.400 INCHES MINIMUM | | THREAD QUANTITY PER INCH | 20 | | THREAD SERIES DESIGNATOR | UNC |
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