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National Stock Number:
5306-01-243-3748
Federal Supply Class:
5306
National Item Identification Number:
012433748
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:
| 23016247 | 73342 | ALLISON TRANSMISSION INC |
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Techincal Specification:
| FASTENER LENGTH | 3.000 INCHES NOMINAL | | FEATURES PROVIDED | FINISHED HEAD | | HEAD HEIGHT | 0.150 INCHES MINIMUM AND 0.188 INCHES MAXIMUM | | HEAD STYLE | HEXAGON | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD QUANTITY PER INCH | 20 | | THREAD SERIES DESIGNATOR | UNC | | WIDTH BETWEEN FLATS | 0.425 INCHES MINIMUM AND 0.438 INCHES MAXIMUM |
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