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National Stock Number:
5306-00-423-4981
Federal Supply Class:
5306
National Item Identification Number:
004234981
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:
| 1874496 | 16764 | GENERAL MOTORS CORP DELCO REMY DIV | | 1874496 | 1LW55 | BORGWARNER PDS (ANDERSON), L.L.C. | | 7F3531 | 11083 | CATERPILLAR INC | | 1874496 | 24617 | GENERAL MOTORS CORP | | 418644 | 65282 | WHITE MOTOR CORP | | 1874496 | 7X677 | GENERAL MOTORS LLC |
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Techincal Specification:
| FASTENER LENGTH | 1.344 INCHES MINIMUM AND 1.406 INCHES MAXIMUM | | FEATURES PROVIDED | FINISHED HEAD | | GRIP LENGTH | 0.312 INCHES NOMINAL | | HARDNESS RATING | 26.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM OVERALL | | HEAD HEIGHT | 0.150 INCHES MINIMUM AND 0.163 INCHES MAXIMUM | | HEAD STYLE | HEXAGON | | MATERIAL | STEEL COMP 8630 OVERALL | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | WIDTH BETWEEN FLATS | 0.428 INCHES MINIMUM AND 0.438 INCHES MAXIMUM | | SURFACE TREATMENT | CADMIUM OVERALL | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 1.062 INCHES MINIMUM | | THREAD QUANTITY PER INCH | 28 | | THREAD SERIES DESIGNATOR | UNF |
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