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National Stock Number:
5306-00-988-2560
Federal Supply Class:
5306
National Item Identification Number:
009882560
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:
| 10921893 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM |
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Techincal Specification:
| FASTENER LENGTH | 1.060 INCHES MINIMUM AND 1.120 INCHES MAXIMUM | | FEATURES PROVIDED | UNFINISHED HEAD | | HEAD HEIGHT | 0.281 INCHES MINIMUM AND 0.291 INCHES MAXIMUM | | HEAD STYLE | HEXAGON | | LOCKING FEATURE | DISTORTIONS BEARING SURFACE OF HEAD | | MATERIAL | STEEL OVERALL | | NOMINAL THREAD DIAMETER | 0.438 INCHES | | WIDTH BETWEEN FLATS | 0.612 INCHES MINIMUM AND 0.625 INCHES MAXIMUM | | SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.760 INCHES MINIMUM | | THREAD QUANTITY PER INCH | 14 | | THREAD SERIES DESIGNATOR | UNC |
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