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National Stock Number:
5306-00-275-1591
Federal Supply Class:
5306
National Item Identification Number:
002751591
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:
| RB20-31 | 77107 | PARAGON POWER INC SUB OF GREAT LAKES POWER PRODUCTS INC | | RB20-31 | 81830 | PENN YAN BOATS INC | | RC20-31 | 77107 | PARAGON POWER INC SUB OF GREAT LAKES POWER PRODUCTS INC |
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Techincal Specification:
| FASTENER LENGTH | 1.000 INCHES NOMINAL | | FEATURES PROVIDED | UNFINISHED HEAD | | HEAD HEIGHT | 0.312 INCHES NOMINAL | | HEAD STYLE | HEXAGON | | HOLE TYPE | DRILLED | | HOLE QUANTITY | 1 | | MATERIAL DOCUMENT AND CLASSIFICATION | AISI-B1113,1213 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 1213 OVERALL | | NOMINAL THREAD DIAMETER | 0.375 INCHES | | WIDTH BETWEEN FLATS | 0.562 INCHES NOMINAL | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.687 INCHES MAXIMUM | | THREAD SERIES DESIGNATOR | UNF | | THREAD QUANTITY PER INCH | 24 |
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