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National Stock Number:
5306-00-484-0892
Federal Supply Class:
5306
National Item Identification Number:
004840892
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:
| 8447898 | 19204 | ARMY, UNITED STATES DEPARTMENT OF THE |
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Techincal Specification:
| FASTENER LENGTH | 0.690 INCHES MINIMUM AND 0.700 INCHES MAXIMUM | | FEATURES PROVIDED | FINISHED HEAD | | GRIP LENGTH | 0.350 INCHES MINIMUM AND 0.380 INCHES MAXIMUM | | HARDNESS RATING | 36.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL | | HEAD HEIGHT | 0.280 INCHES MINIMUM AND 0.310 INCHES MAXIMUM | | HEAD STYLE | HEXAGON | | MATERIAL | STEEL COMP 4140 OVERALL | | NOMINAL THREAD DIAMETER | 0.625 INCHES | | WIDTH BETWEEN FLATS | 0.861 INCHES MINIMUM AND 0.875 INCHES MAXIMUM | | SURFACE FINISH | 125.0 MICROINCHES GRIP | | SURFACE TREATMENT | PHOSPHATE MANGANESE AND PHOSPHATE ZINC OVERALL | | THREAD CLASS | 3A | | THREAD LENGTH | 0.320 INCHES MINIMUM AND 0.340 INCHES MAXIMUM | | THREAD DIRECTION | RIGHT-HAND | | THREAD QUANTITY PER INCH | 18 | | THREAD SERIES DESIGNATOR | UNF |
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