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National Stock Number:
5306-01-279-9128
Federal Supply Class:
5306
National Item Identification Number:
012799128
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:
| 4190442 | 80212 | BAE SYSTEMS LAND & ARMAMENTS L.P. |
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Techincal Specification:
| DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 0.500 INCHES NOMINAL GRIP | | FASTENER LENGTH | 4.500 INCHES NOMINAL | | HARDNESS RATING | 35.0 ROCKWELL C MINIMUM OVERALL AND 40.0 ROCKWELL C MAXIMUM OVERALL | | HEAD HEIGHT | 0.250 INCHES NOMINAL | | HEAD STYLE | SQUARE | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-46172 MIL SPEC 1ST MATERIAL RESPONSE OVERALL OR ASTM-A576 ASSN STD 2ND MATERIAL RESPONSE OVERALL OR ASTM-A108 ASSN STD 3RD MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL OVERALL OR STEEL COMP 1035 OVERALL | | PROPRIETARY CHARACTERISTICS | PACS | | NOMINAL THREAD DIAMETER | 0.500 INCHES | | SHANK UNTHREADED HOLE DIAMETER | 0.125 INCHES MINIMUM GRIP AND 0.129 INCHES MAXIMUM GRIP | | WIDTH BETWEEN FLATS | 0.875 INCHES NOMINAL | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 4.250 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 13 | | THREAD SERIES DESIGNATOR | UNC |
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