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National Stock Number:
5306-01-619-1781
Federal Supply Class:
5306
National Item Identification Number:
016191781
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:
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Techincal Specification:
| EXTERNAL THREAD TOLERANCE CLASS | 2A | | FASTENER LENGTH | 1.940 INCHES MINIMUM AND 2.040 INCHES MAXIMUM | | HEAD HEIGHT | 0.302 INCHES MINIMUM AND 0.364 INCHES MAXIMUM | | HEAD STYLE | HEXAGON | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A307, GRADE A, ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | PART NAME ASSIGNED BY CONTROLLING AGENCY | HEXAGON BOLT | | MATERIAL | STEEL OVERALL | | NOMINAL THREAD DIAMETER | 0.500 INCHES | | SPECIAL FEATURES | WEIGHT: 1.32LBS | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ASTM F2329 ASSN STD SINGLE TREATMENT RESPONSE OR ASTM A513, GALVANIZED HOT DIP ZINC, ASSN STD SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | ZINC OVERALL | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 1.250 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 13 | | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) | | WIDTH BETWEEN FLATS | 0.725 INCHES MINIMUM AND 0.750 INCHES MAXIMUM |
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