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National Stock Number:
5306-00-424-0559
Federal Supply Class:
5306
National Item Identification Number:
004240559
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:
| C2145 | 35311 | AMERICAN STANDARD INC WESTINGHOUSE AIR BRAKE CO DIV |
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Techincal Specification:
| COUNTERSINK ANGLE | 111.0 DEGREES NOMINAL | | FASTENER LENGTH | 1.375 INCHES NOMINAL | | FEATURES PROVIDED | FINISHED HEAD | | HARDNESS RATING | 25.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL | | HEAD HEIGHT | 0.438 INCHES NOMINAL | | HEAD STYLE | HEXAGON COUNTERSUNK | | MATERIAL DOCUMENT AND CLASSIFICATION | SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 1035 OVERALL | | NOMINAL THREAD DIAMETER | 1.000 INCHES | | SPECIAL FEATURES | CHAMFER ON THREADED END 0.125 IN. BY 30 DEG | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 1.281 INCHES MINIMUM | | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) | | THREAD QUANTITY PER INCH | 8 | | WIDTH BETWEEN FLATS | 1.298 INCHES NOMINAL |
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