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National Stock Number:
5306-01-198-8057
Federal Supply Class:
5306
National Item Identification Number:
011988057
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:
| 131568A | 45152 | OSHKOSH CORP | | 131568A | 75Q65 | OSHKOSH DEFENSE LLC | | 21218CQ0L | 82465 | MAC LEAN FOGG LOCK NUT CO | | 31WLFS51618-1.25 | 82465 | MAC LEAN FOGG LOCK NUT CO |
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Techincal Specification:
| EXTENDED WASHER DIAMETER | 0.641 INCHES MINIMUM AND 0.687 INCHES MAXIMUM | | FASTENER LENGTH | 1.250 INCHES MINIMUM | | FEATURES PROVIDED | FINISHED HEAD AND CASEHARDENED | | HEAD HEIGHT | 0.268 INCHES MINIMUM AND 0.297 INCHES MAXIMUM | | HEAD STYLE | HEXAGON EXTENDED WASHER | | MATERIAL | STEEL OVERALL | | PROPRIETARY CHARACTERISTICS | PACS | | NOMINAL THREAD DIAMETER | 0.312 INCHES | | WIDTH BETWEEN FLATS | 0.489 INCHES MINIMUM AND 0.500 INCHES MAXIMUM | | SURFACE TREATMENT | ZINC OVERALL | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 1.139 INCHES MINIMUM | | THREAD QUANTITY PER INCH | 18 | | THREAD SERIES DESIGNATOR | UNC |
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