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National Stock Number:
5306-01-101-3158
Federal Supply Class:
5306
National Item Identification Number:
011013158
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:
| 5306PL1497709 | 9009H | INSPEKTORAT WSPARCIA SIL ZBROJNYCH | | 549-4-12 | 06725 | SPS TECHNOLOGIES, LLC | | AIC549-4-12 | 06725 | SPS TECHNOLOGIES, LLC | | VS3071F4-12D | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | C7549-4-1 | 81755 | LOCKHEED MARTIN CORPORATION | | VS3071F4-12D | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC |
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Techincal Specification:
| THREAD DIRECTION | RIGHT-HAND | | FASTENER LENGTH | 1.028 INCHES MINIMUM AND | | 1.058 INCHES MAXIMUM | | MATERIAL | STEEL COMP H11 OVERALL | | THREAD LENGTH | 0.268 INCHES MINIMUM AND | | 0.318 INCHES MAXIMUM | | HEAD STYLE | DOUBLE HEXAGON | | THREAD SERIES DESIGNATOR | UNJF | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | THREAD QUANTITY PER INCH | 28 | | THREAD CLASS | 3A | | SURFACE TREATMENT | CADMIUM OVERALL | | HEAD HEIGHT | 0.154 INCHES MINIMUM AND | | 0.174 INCHES MAXIMUM | | WIDTH BETWEEN FLATS | 0.430 INCHES MINIMUM AND | | 0.439 INCHES MAXIMUM | | GRIP LENGTH | 0.740 INCHES MINIMUM AND | | 0.760 INCHES MAXIMUM | | SURFACE FINISH | 32.0 MICROINCHES BEARING SURFACE OF HEAD | | 32.0 MICROINCHES GRIP | | 32.0 MICROINCHES THREADS | | DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 0.915 INCHES MINIMUM AND | | 0.945 INCHES MAXIMUM FIRST HOLE | | SHANK UNTHREADED HOLE DIAMETER | 0.075 INCHES MINIMUM AND | | 0.080 INCHES MAXIMUM FIRST HOLE | | FEATURES PROVIDED | FINISHED HEAD | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 06950 | | DESIGN CONTROL REFERENCE | VS3071F4-12D |
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