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National Stock Number:
5306-00-407-6427
Federal Supply Class:
5306
National Item Identification Number:
004076427
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:
| 6008 | 88424 | COOPER POWER SYSTEMS INC | | 8708 | 73569 | LA CHANCE LTD | | 9708 | 20117 | HUBBARD AND COMPANY |
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Techincal Specification:
| FASTENER LENGTH | 8.188 INCHES MINIMUM | | FEATURES PROVIDED | UNFINISHED HEAD | | GRIP LENGTH | 4.188 INCHES NOMINAL | | HEAD HEIGHT | 0.308 INCHES MINIMUM AND 0.351 INCHES MAXIMUM | | HEAD STYLE | SQUARE | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A576 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL OVERALL | | NOMINAL THREAD DIAMETER | 0.500 INCHES | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ASTM A153 ASSN STD SINGLE TREATMENT RESPONSE OVERALL | | SPECIAL FEATURES | THD END CHAMFERED 60 DEGREES BY 0.188 IN. LG,FURNISHED WITH SQ NUT | | SURFACE TREATMENT | ZINC OVERALL | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD QUANTITY PER INCH | 13 | | THREAD LENGTH | 4.000 INCHES MINIMUM | | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) | | WIDTH BETWEEN FLATS | 0.725 INCHES MINIMUM AND 0.753 INCHES MAXIMUM |
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