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National Stock Number:
5306-01-144-6065
Federal Supply Class:
5306
National Item Identification Number:
011446065
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:
| 65261-08019-101 | 78286 | SIKORSKY AIRCRAFT CORPORATION |
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Techincal Specification:
| THREAD DIRECTION | RIGHT-HAND | | FASTENER LENGTH | 5.140 INCHES NOMINAL | | MATERIAL | STEEL OVERALL | | THREAD LENGTH | 1.050 INCHES NOMINAL | | HEAD STYLE | HEXAGON | | THREAD SERIES DESIGNATOR | UNJF | | NOMINAL THREAD DIAMETER | 1.250 INCHES | | THREAD QUANTITY PER INCH | 12 | | THREAD CLASS | 3A | | SURFACE TREATMENT | CADMIUM HEAD | | CADMIUM THREADS | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-STD-865 MIL SPEC SINGLE TREATMENT RESPONSE HEAD | | MIL-STD-865 MIL SPEC SINGLE TREATMENT RESPONSE THREADS | | HEAD HEIGHT | 0.625 INCHES NOMINAL | | WIDTH BETWEEN FLATS | 1.801 INCHES MINIMUM AND | | 1.815 INCHES MAXIMUM | | SURFACE FINISH | 32.0 MICROINCHES GRIP | | DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 4.870 INCHES NOMINAL FIRST HOLE | | SHANK UNTHREADED HOLE DIAMETER | 0.141 INCHES MINIMUM AND | | 0.151 INCHES MAXIMUM ALL HOLES | | SPECIAL FEATURES | DRILLED HOLE IN SHANK END 0.750 DIA.,0.780 LONG. SHANK SURFACE TREATMENT SULFAMATE NICKEL PER SS8414 TYZ CL1 |
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