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National Stock Number:
5306-00-022-1665
Federal Supply Class:
5306
National Item Identification Number:
000221665
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:
| 221665 | 24617 | GENERAL MOTORS CORP | | 221665 | 7X677 | GENERAL MOTORS LLC | | BCBX3B | 00000 | ORDNANCE CORPS | | BCBX3BA | 00000 | ORDNANCE CORPS | | 305942 | 1ML14 | BRINKLEY TECHNOLOGY GROUP LLC | | 305942 | 28265 | HERCULES ENGINE CO INC |
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Techincal Specification:
| THREAD DIRECTION | RIGHT-HAND | | FASTENER LENGTH | 0.750 INCHES NOMINAL | | MATERIAL | STEEL OVERALL | | THREAD LENGTH | 0.750 INCHES MAXIMUM | | HEAD STYLE | HEXAGON | | THREAD SERIES DESIGNATOR | UNC | | NOMINAL THREAD DIAMETER | 0.312 INCHES | | THREAD QUANTITY PER INCH | 18 | | THREAD CLASS | 2A | | HARDNESS RATING | 100.0 ROCKWELL B MAXIMUM OVERALL | | HEAD HEIGHT | 0.203 INCHES NOMINAL | | WIDTH BETWEEN FLATS | 0.500 INCHES NOMINAL | | FEATURES PROVIDED | FINISHED HEAD | | DEPARTURE FROM CITED DESIGNATOR | AS MODIFIED BY HOLE | | NONDEFINITIVE SPEC/STD DATA | 2 TYPE AND | | 10P STYLE AND | | 2 GRADE |
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