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National Stock Number:
5306-99-781-0365
Federal Supply Class:
5306
National Item Identification Number:
997810365
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:
| B500930 | K0378 | ROLLS-ROYCE PLC |
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Techincal Specification:
| DISTANCE FROM CENTERLINE TO FLAT | 0.223 INCHES MAXIMUM AND 0.218 INCHES MINIMUM | | FASTENER LENGTH | 1.130 INCHES MAXIMUM AND 1.110 INCHES MINIMUM | | FEATURES PROVIDED | FINISHED HEAD | | GRIP LENGTH | 0.510 INCHES MINIMUM AND 0.530 INCHES MAXIMUM | | HEAD HEIGHT | 0.187 INCHES MAXIMUM AND 0.167 INCHES MINIMUM | | HEAD DIAMETER | 0.624 INCHES MAXIMUM AND 0.604 INCHES MINIMUM | | HEAD STYLE | DEE CHAMFER | | MATERIAL DOCUMENT AND CLASSIFICATION | BSI BS HR601 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | STEEL | | NOMINAL THREAD DIAMETER | 0.312 INCHES | | SPECIAL FEATURES | SPECIAL FORMED SHANK | | SURFACE FINISH | 63.0 MICROINCHES BEARING SURFACE OF HEAD | | SURFACE FINISH | 125.0 MICROINCHES SIDES OF HEAD | | SURFACE FINISH | 125.0 MICROINCHES TOP OF HEAD | | SURFACE FINISH | 32.0 MICROINCHES GRIP | | SURFACE FINISH | 32.0 MICROINCHES THREADS | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.600 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 24 | | THREAD SERIES DESIGNATOR | UNJF |
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