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National Stock Number:
5306-00-795-4925
Federal Supply Class:
5306
National Item Identification Number:
007954925
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:
| 8159340 | 24617 | GENERAL MOTORS CORP | | 8159340 | 39VG9 | PROGRESS RAIL LOCOMOTIVE INC. | | 8159340 | 72915 | GENERAL MOTORS CORP ELECTRO-MOTIVE DIV |
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Techincal Specification:
| DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 0.312 INCHES NOMINAL FIRST HOLE | | ASKEWED HEAD ANGLE | 30.0 DEGREES NOMINAL | | FASTENER LENGTH | 2.875 INCHES NOMINAL | | FEATURES PROVIDED | UNFINISHED HEAD | | GRIP LENGTH | 1.750 INCHES NOMINAL | | HARDNESS RATING | 28.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL | | HEAD HEIGHT | 0.656 INCHES NOMINAL | | HEAD STYLE | DISHED HEXAGON | | HOLE DIAMETER | 0.094 INCHES NOMINAL | | HOLE CONFIGURATION STYLE | HEXAGON FLATS | | HOLE QUANTITY | 3 | | HOLE TYPE | DRILLED | | MATERIAL DOCUMENT AND CLASSIFICATION | AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 8642H OVERALL | | NOMINAL THREAD DIAMETER | 0.875 INCHES | | SPECIAL FEATURES | ASSEMBLE SPACER P/N 8159341 ON BOLT BEFORE ROLLING THREAD | | SHANK UNTHREADED HOLE DIAMETER | 0.250 INCHES NOMINAL FIRST HOLE | | WIDTH BETWEEN FLATS | 1.125 INCHES NOMINAL | | SURFACE FINISH | 32.0 MICROINCHES BEARING SURFACE OF HEAD | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 1.125 INCHES MAXIMUM | | THREAD SERIES DESIGNATOR | UNF | | THREAD QUANTITY PER INCH | 14 |
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