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National Stock Number:
5306-00-281-1701
Federal Supply Class:
5306
National Item Identification Number:
002811701
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:
| 1419812 | 24617 | GENERAL MOTORS CORP | | 1419812 | 7X677 | GENERAL MOTORS LLC | | 1419812 | 80442 | CADILLAC MOTOR CAR DIV OF GENERAL MOTORS CORP |
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Techincal Specification:
| FASTENER LENGTH | 2.688 INCHES NOMINAL | | FEATURES PROVIDED | FINISHED HEAD | | HARDNESS RATING | 30.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM OVERALL | | HEAD HEIGHT | 0.328 INCHES NOMINAL | | HEAD STYLE | CROWNED HEXAGON | | MATERIAL DOCUMENT AND CLASSIFICATION | MFR 80442/GM-900-M NATIONAL SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL OVERALL | | MINIMUM YIELD STRENGTH | 135000 POUNDS PER SQUARE INCH | | MINIMUM TENSILE STRENGTH | 150000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.438 INCHES | | SPECIAL FEATURES | 1/4 IN SPHERICAL RADIUS BASE 1/8 IN H LOCATED IN CENTER ON TOP OF HEAD ;WASHER FACE 23/32 IN. DIA AND 1/32 IN LG ON BEARING SURFACE | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 1.125 INCHES MINIMUM | | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) | | THREAD QUANTITY PER INCH | 14 | | WIDTH BETWEEN FLATS | 0.750 INCHES NOMINAL |
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