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National Stock Number:
5306-00-468-5557
Federal Supply Class:
5306
National Item Identification Number:
004685557
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:
| 99-1090866 | 99995 | NATO STOCK NUMBER ASSIGNED BY ANOTHER NATION | | B357002 | K0378 | ROLLS-ROYCE PLC |
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Techincal Specification:
| DISTANCE FROM CENTERLINE TO FLAT | 0.187 INCHES MINIMUM AND 0.192 INCHES MAXIMUM | | FASTENER LENGTH | 0.680 INCHES NOMINAL | | FEATURES PROVIDED | FINISHED HEAD | | GRIP LENGTH | 0.300 INCHES NOMINAL | | HEAD HEIGHT | 0.140 INCHES MINIMUM AND 0.150 INCHES MAXIMUM | | HEAD DIAMETER | 0.500 INCHES MINIMUM AND 0.510 INCHES MAXIMUM | | HEAD STYLE | DEE CHAMFER | | MATERIAL | STEEL OVERALL | | PROPRIETARY CHARACTERISTICS | PACS | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | SURFACE FINISH | 80.0 MICROINCHES GRIP | | SURFACE FINISH | 80.0 MICROINCHES BEARING SURFACE OF HEAD | | SURFACE FINISH | 80.0 MICROINCHES THREADS | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.300 INCHES MINIMUM | | THREAD QUANTITY PER INCH | 28 | | THREAD SERIES DESIGNATOR | UNF |
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