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National Stock Number:
5306-01-479-0045
Federal Supply Class:
5306
National Item Identification Number:
014790045
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:
| NAS1978C32 | D9182 | ZF INDUSTRIEANTRIEBE WITTEN GMBH | | NAS1978C32H | 80205 | NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE |
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Techincal Specification:
| COUNTERSINK ANGLE | 0.99 DEGREES MINIMUM AND 1.01 DEGREES MAXIMUM | | FASTENER LENGTH | 0.241 INCHES MINIMUM AND 0.271 INCHES MAXIMUM | | GRIP DIAMETER | 0.4981 INCHES MINIMUM AND 0.4985 INCHES MAXIMUM | | GRIP LENGTH | 1.9000 INCHES MINIMUM AND 2.1000 INCHES MAXIMUM | | HEAD DIAMETER | 0.8900 INCHES MINIMUM AND 0.8902 INCHES MAXIMUM | | HEAD STYLE | FLAT TOP ELEVATOR | | NOMINAL THREAD DIAMETER | 0.5000 INCHES | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.735 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 20 | | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) |
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