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National Stock Number:
5306-00-354-3969
Federal Supply Class:
5306
National Item Identification Number:
003543969
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:
| 05-51512 | 63734 | KAITLIN CORP | | 1AB3768A | 23382 | FWD SEAGRAVE HOLDINGS LP |
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Techincal Specification:
| DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 2.812 INCHES NOMINAL FIRST HOLE | | DISTANCE FROM CENTERLINE TO FLAT | 0.273 INCHES MINIMUM AND 0.288 INCHES MAXIMUM | | FASTENER LENGTH | 3.062 INCHES NOMINAL | | FEATURES PROVIDED | FINISHED HEAD | | HARDNESS RATING | 20.0 ROCKWELL C MINIMUM AND 37.0 ROCKWELL C MAXIMUM OVERALL | | HEAD DIAMETER | 0.751 INCHES NOMINAL | | HEAD HEIGHT | 0.281 INCHES NOMINAL | | HEAD STYLE | DEE | | MATERIAL DOCUMENT AND CLASSIFICATION | AISI ASSN STD ALL MATERIAL RESPONSES OR SAE ASSN STD ALL MATERIAL RESPONSES OVERALL | | MATERIAL | STEEL COMP 3135 OR STEEL COMP 4037 OR STEEL COMP 4140 OR STEEL COMP 8637 OVERALL | | MINIMUM TENSILE STRENGTH | 150000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.500 INCHES | | SHANK UNTHREADED HOLE DIAMETER | 0.130 INCHES NOMINAL FIRST HOLE | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 1.000 INCHES MINIMUM | | THREAD SERIES DESIGNATOR | UNF | | THREAD QUANTITY PER INCH | 20 |
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