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National Stock Number:
5306-01-127-0073
Federal Supply Class:
5306
National Item Identification Number:
011270073
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:
| 6896961 | 63005 | ROLLS-ROYCE CORPORATION | | 6896961 | 73342 | ALLISON TRANSMISSION INC |
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Techincal Specification:
| FASTENER LENGTH | 0.9600 INCHES MINIMUM AND 1.0000 INCHES MAXIMUM | | GRIP LENGTH | 0.375 INCHES NOMINAL | | HARDNESS RATING | 24.0 ROCKWELL C MINIMUM OVERALL | | HEAD HEIGHT | 0.161 INCHES MINIMUM AND 0.171 INCHES MAXIMUM | | HEAD STYLE | HEXAGON | | MATERIAL | IRON ALLOY 660 OVERALL | | NOMINAL THREAD DIAMETER | 0.312 INCHES | | WIDTH BETWEEN FLATS | 0.489 INCHES MINIMUM AND 0.577 INCHES MAXIMUM | | SURFACE TREATMENT | OXIDE OVERALL | | THREAD DIRECTION | RIGHT-HAND | | THREAD CLASS | 2A | | THREAD LENGTH | 0.625 INCHES NOMINAL | | THREAD SERIES DESIGNATOR | UNC | | THREAD QUANTITY PER INCH | 18 |
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