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National Stock Number:
5306-00-281-1711
Federal Supply Class:
5306
National Item Identification Number:
002811711
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:
| 7375722 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM | | GAA6381 | 23040 | FORD MOTOR CO FORD PARTS AND SERVICE DIV GOVERNMENT PART SALES | | GAA6381 | 57526 | FORD MOTOR COMPANY |
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Techincal Specification:
| DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 0.110 INCHES MINIMUM AND 0.130 INCHES MAXIMUM FIRST HOLE | | FASTENER LENGTH | 3.960 INCHES MINIMUM AND 3.980 INCHES MAXIMUM | | FEATURES PROVIDED | UNFINISHED HEAD | | HEAD HEIGHT | 0.181 INCHES MINIMUM AND 0.194 INCHES MAXIMUM | | HEAD STYLE | HEXAGON | | MATERIAL | STEEL OVERALL | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | NONSTANDARD THREAD PITCH DIAMETER | +0.2259 TO 0.2270 INCHES | | SHANK UNTHREADED HOLE DIAMETER | 0.083 INCHES MINIMUM AND 0.103 INCHES MAXIMUM FIRST HOLE | | SURFACE TREATMENT | ZINC AND CADMIUM OVERALL | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.610 INCHES MINIMUM AND 0.630 INCHES MAXIMUM | | THREAD SERIES DESIGNATOR | UNF | | THREAD QUANTITY PER INCH | 28 | | WIDTH BETWEEN FLATS | 0.428 INCHES MINIMUM AND 0.438 INCHES MAXIMUM |
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