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National Stock Number:
5306-01-190-1712
Federal Supply Class:
5306
National Item Identification Number:
011901712
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:
| J644P11F | 07482 | GENERAL ELECTRIC COMPANY | | J644P11F | 58828 | CFM INTERNATIONAL INC |
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Techincal Specification:
| THREAD DIRECTION | RIGHT-HAND | | FASTENER LENGTH | 0.865 INCHES MINIMUM AND | | 0.885 INCHES MAXIMUM | | MATERIAL | NICKEL ALLOY 718 OVERALL | | THREAD LENGTH | 0.740 INCHES MINIMUM AND | | 0.820 INCHES MAXIMUM | | HEAD STYLE | DOUBLE HEXAGON EXTENDED WASHER | | THREAD SERIES DESIGNATOR | UNJF | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | THREAD QUANTITY PER INCH | 28 | | THREAD CLASS | 3A | | HEAD HEIGHT | 0.293 INCHES MINIMUM AND | | 0.313 INCHES MAXIMUM | | WIDTH BETWEEN FLATS | 0.3125 INCHES NOMINAL | | EXTENDED WASHER DIAMETER | 0.428 INCHES MINIMUM AND | | 0.448 INCHES MAXIMUM | | EXTENDED WASHER THICKNESS | 0.060 INCHES MINIMUM AND | | 0.070 INCHES MAXIMUM | | HOLE CONFIGURATION STYLE | DOUBLE HEXAGON FLATS | | HOLE TYPE | DRILLED | | HOLE QUANTITY | 2 | | HOLE DIAMETER | 0.075 INCHES MINIMUM AND | | 0.095 INCHES MAXIMUM | | SURFACE FINISH | 32.0 MICROINCHES GRIP | | 32.0 MICROINCHES THREADS | | FEATURES PROVIDED | DRY FILM LUBRICANT |
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