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National Stock Number:
5306-00-044-2753
Federal Supply Class:
5306
National Item Identification Number:
000442753
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:
| 442753 | 21450 | ARMY WEAPONS COMMAND ATTN AMSWE-REE-S |
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Techincal Specification:
| FASTENER LENGTH | 0.594 INCHES MINIMUM AND 0.656 INCHES MAXIMUM | | FEATURES PROVIDED | UNFINISHED HEAD | | HARDNESS RATING | 96.0 ROCKWELL B MINIMUM AND 104.0 ROCKWELL B MAXIMUM OVERALL | | HEAD HEIGHT | 0.250 INCHES MINIMUM AND 0.260 INCHES MAXIMUM | | HEAD STYLE | HEXAGON | | LOCKING FEATURE | DISTORTIONS BEARING SURFACE OF HEAD | | MATERIAL | STEEL OVERALL | | MINIMUM TENSILE STRENGTH | 95000 POUNDS PER SQUARE INCH | | MINIMUM YIELD STRENGTH | 85000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.375 INCHES | | WIDTH BETWEEN FLATS | 0.551 INCHES MINIMUM AND 0.562 INCHES MAXIMUM | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.500 INCHES MINIMUM AND 0.562 INCHES MAXIMUM | | THREAD QUANTITY PER INCH | 24 | | THREAD SERIES DESIGNATOR | UNF |
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