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National Stock Number:
5306-00-426-6878
Federal Supply Class:
5306
National Item Identification Number:
004266878
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:
| H6317 | 35311 | AMERICAN STANDARD INC WESTINGHOUSE AIR BRAKE CO DIV |
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Techincal Specification:
| DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 9.407 INCHES MINIMUM AND 9.469 INCHES MAXIMUM FIRST HOLE | | FASTENER LENGTH | 9.688 INCHES MINIMUM AND 9.750 INCHES MAXIMUM | | FEATURES PROVIDED | UNFINISHED HEAD | | HEAD HEIGHT | 0.688 INCHES MINIMUM AND 0.812 INCHES MAXIMUM | | HEAD STYLE | HEXAGON | | MATERIAL DOCUMENT AND CLASSIFICATION | SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 1035 OVERALL | | NOMINAL THREAD DIAMETER | 1.750 INCHES | | SHANK UNTHREADED HOLE DIAMETER | 0.312 INCHES NOMINAL FIRST HOLE | | SPECIAL FEATURES | DRILL 2 COTTER-PIN HOLES 90 DEG PORM 10 DEG APORT | | WIDTH BETWEEN FLATS | 2.469 INCHES MINIMUM AND 2.531 INCHES MAXIMUM | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 1.500 INCHES MINIMUM | | THREAD QUANTITY PER INCH | 8 | | THREAD SERIES DESIGNATOR | UN |
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