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National Stock Number:
5306-99-821-7456
Federal Supply Class:
5306
National Item Identification Number:
998217456
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:
| A102-2D | K7766 | BRITISH STANDARDS INSTITUTION | | ATSU/853-SH12 | K6560 | MINISTRY OF DEFENCE ARMY | | ATSU/853/12 | K6560 | MINISTRY OF DEFENCE ARMY |
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Techincal Specification:
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | BSI BS 1760 NATIONAL STD/SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM OVERALL | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.300 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 32 | | THREAD SERIES DESIGNATOR | UNF | | FASTENER LENGTH | 0.500 INCHES NOMINAL AND 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM | | FEATURES PROVIDED | FINISHED HEAD | | GRIP LENGTH | 0.200 INCHES MINIMUM | | HEAD HEIGHT | 0.075 INCHES MINIMUM | | HEAD STYLE | HEXAGON | | HOLE DIAMETER | 0.040 INCHES NOMINAL | | HOLE QUANTITY | 1 | | HOLE TYPE | DRILLED | | NOMINAL THREAD DIAMETER | 0.190 INCHES | | SPECIAL FEATURES | A/A MATERIAL;HD HOLE CONFIGURATION A | | WIDTH BETWEEN FLATS | 0.339 INCHES MINIMUM AND 0.344 INCHES MAXIMUM |
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