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National Stock Number:
5306-00-281-3720
Federal Supply Class:
5306
National Item Identification Number:
002813720
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:
| MS35798-4 | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
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Techincal Specification:
| FASTENER LENGTH | 7.938 INCHES MINIMUM AND 8.250 INCHES MAXIMUM | | FEATURES PROVIDED | UNFINISHED HEAD | | HEAD HEIGHT | 0.400 INCHES MINIMUM AND 0.444 INCHES MAXIMUM | | HEAD STYLE | SQUARE | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A108 ASSN STD ALL MATERIAL RESPONSES OVERALL | | MATERIAL | STEEL COMP 1020 OR STEEL COMP 1025 OVERALL | | NOMINAL THREAD DIAMETER | 0.625 INCHES | | SPECIAL FEATURES | FURNISHED W/ONE SQ NUT | | SURFACE TREATMENT | ZINC OVERALL | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 4.000 INCHES MINIMUM AND 4.250 INCHES MAXIMUM | | THREAD QUANTITY PER INCH | 11 | | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) | | WIDTH BETWEEN FLATS | 0.906 INCHES MINIMUM AND 0.938 INCHES MAXIMUM |
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