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National Stock Number:
5306-01-243-0151
Federal Supply Class:
5306
National Item Identification Number:
012430151
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:
| 8637246-01 | 98749 | SACRAMENTO AIR LOGISTICS CENTER SM-ALC/LIIL | | 8637246-01 | 98897 | LOCKHEED MARTIN CORP |
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Techincal Specification:
| THREAD DIRECTION | RIGHT-HAND | | FASTENER LENGTH | 5.739 INCHES MINIMUM AND | | 6.699 INCHES MAXIMUM | | MATERIAL | STEEL COMP 4130 OVERALL | | THREAD LENGTH | 0.334 INCHES MINIMUM AND | | 0.354 INCHES MAXIMUM | | HEAD STYLE | HEXAGON | | THREAD SERIES DESIGNATOR | UNJF | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | THREAD QUANTITY PER INCH | 28 | | THREAD CLASS | 3A | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-6758 COND C MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | MINIMUM TENSILE STRENGTH | 125000 POUNDS PER SQUARE INCH | | HEAD HEIGHT | 0.125 INCHES NOMINAL | | WIDTH BETWEEN FLATS | 0.4275 INCHES MINIMUM AND | | 0.4395 INCHES MAXIMUM |
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