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National Stock Number:
5306-01-626-3420
Federal Supply Class:
5306
National Item Identification Number:
016263420
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:
| 8S-4712 | 11083 | CATERPILLAR INC |
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Techincal Specification:
| THREAD DIRECTION | RIGHT-HAND | | FASTENER LENGTH | 3.000 INCHES NOMINAL | | MATERIAL | STEEL OVERALL | | THREAD LENGTH | 0.750 INCHES NOMINAL | | HEAD STYLE | HEXAGON | | THREAD SERIES DESIGNATOR | UNF | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | THREAD QUANTITY PER INCH | 28 | | THREAD CLASS | 2A | | SURFACE TREATMENT | PHOSPHATE AND | | OIL OVERALL | | HEAD HEIGHT | 0.150 INCHES MINIMUM AND | | 0.188 INCHES MAXIMUM | | WIDTH BETWEEN FLATS | 0.425 INCHES MINIMUM AND | | 0.438 INCHES MAXIMUM | | PART NAME ASSIGNED BY CONTROLLING AGENCY | HEX HEAD BOLT |
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