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National Stock Number:
5306-00-073-2099
Federal Supply Class:
5306
National Item Identification Number:
000732099
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:
| 8433748 | 19204 | ARMY, UNITED STATES DEPARTMENT OF THE |
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Techincal Specification:
| DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 1.660 INCHES MINIMUM AND 1.680 INCHES MAXIMUM FIRST HOLE | | FASTENER LENGTH | 1.880 INCHES NOMINAL | | FEATURES PROVIDED | FINISHED HEAD | | GRIP LENGTH | 1.260 INCHES NOMINAL | | HEAD DIAMETER | 0.750 INCHES NOMINAL | | HEAD HEIGHT | 0.120 INCHES NOMINAL | | HEAD STYLE | ROUND W/WRENCH FLATS CHAMFERED | | MATERIAL | STEEL OVERALL | | MINIMUM YIELD STRENGTH | 80000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.312 INCHES | | SHANK UNTHREADED HOLE DIAMETER | 0.078 INCHES MINIMUM AND 0.088 INCHES MAXIMUM FIRST HOLE | | WIDTH BETWEEN FLATS | 0.500 INCHES NOMINAL | | SURFACE FINISH | 125.0 MICROINCHES OVERALL | | SURFACE TREATMENT | CADMIUM OVERALL | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.620 INCHES MAXIMUM | | THREAD QUANTITY PER INCH | 24 | | THREAD SERIES DESIGNATOR | UNF |
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