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National Stock Number:
5306-01-522-8440
Federal Supply Class:
5306
National Item Identification Number:
015228440
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:
| NASM5C-7 | 80205 | NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE | | NASM5C-7 | K0378 | ROLLS-ROYCE PLC |
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Techincal Specification:
| THREAD DIRECTION | RIGHT-HAND | | FASTENER LENGTH | 0.953 INCHES MINIMUM AND | | 0.999 INCHES MAXIMUM | | MATERIAL | STEEL CORROSION RESISTING OVERALL | | THREAD LENGTH | 0.531 INCHES MINIMUM AND | | 0.547 INCHES MAXIMUM | | HEAD STYLE | HEXAGON | | THREAD SERIES DESIGNATOR | UNF | | NOMINAL THREAD DIAMETER | 0.312 INCHES | | THREAD QUANTITY PER INCH | 24 | | THREAD CLASS | 3A | | MINIMUM TENSILE STRENGTH | 6500 POUNDS PER SQUARE INCH | | MINIMUM YIELD STRENGTH | 4980 POUNDS PER SQUARE INCH | | HEAD HEIGHT | 0.172 INCHES MINIMUM AND | | 0.204 INCHES MAXIMUM | | WIDTH BETWEEN FLATS | 0.490 INCHES MINIMUM AND | | 0.502 INCHES MAXIMUM | | GRIP LENGTH | 0.422 INCHES MINIMUM AND | | 0.452 INCHES MAXIMUM | | GRIP DIAMETER | 0.309 INCHES MINIMUM AND | | 0.312 INCHES MAXIMUM |
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