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National Stock Number:
5306-00-350-2931
Federal Supply Class:
5306
National Item Identification Number:
003502931
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:
| 380067 | 65282 | WHITE MOTOR CORP | | 3DC2222 | 62265 | VOLVO TRUCKS NORTH AMERICA INC. DBA FOREIGN PARENT IS VOLVO LASTVAGNAR AB GOTEBORG SWEDEN. | | N49251A | 56442 | DIAMOND REO TRUCK CO | | 3DC2222 | 65282 | WHITE MOTOR CORP |
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Techincal Specification:
| FASTENER LENGTH | 1.240 INCHES MINIMUM AND 1.260 INCHES MAXIMUM | | FEATURES PROVIDED | FINISHED HEAD | | HARDNESS RATING | 25.0 ROCKWELL C MINIMUM AND 31.0 ROCKWELL C MAXIMUM OVERALL | | HEAD HEIGHT | 0.334 INCHES MINIMUM AND 0.352 INCHES MAXIMUM | | HEAD STYLE | HEXAGON | | MATERIAL DOCUMENT AND CLASSIFICATION | AISI 4037 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 4037 OVERALL | | MINIMUM TENSILE STRENGTH | 124000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.438 INCHES | | WIDTH BETWEEN FLATS | 0.612 INCHES MINIMUM AND 0.625 INCHES MAXIMUM | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.677 INCHES MINIMUM AND 0.697 INCHES MAXIMUM | | THREAD SERIES DESIGNATOR | UNF | | THREAD QUANTITY PER INCH | 20 |
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