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National Stock Number:
5306-01-157-8348
Federal Supply Class:
5306
National Item Identification Number:
011578348
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:
| BLT447 | K0378 | ROLLS-ROYCE PLC |
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Techincal Specification:
| THREAD DIRECTION | RIGHT-HAND | | FASTENER LENGTH | 0.469 INCHES NOMINAL | | MATERIAL | STEEL OVERALL | | THREAD LENGTH | 0.453 INCHES NOMINAL | | HEAD STYLE | HEXAGON | | THREAD SERIES DESIGNATOR | UNJF | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | THREAD QUANTITY PER INCH | 28 | | THREAD CLASS | 3A | | MATERIAL DOCUMENT AND CLASSIFICATION | DTD 5066,FSCM K0378 MFR REF SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | SILVER OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | RPS 168,FSCM K0378 MFR REF SINGLE TREATMENT RESPONSE OVERALL | | HEAD HEIGHT | 0.140 INCHES NOMINAL | | WIDTH BETWEEN FLATS | 0.430 INCHES MINIMUM AND | | 0.439 INCHES MAXIMUM | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | K0378 | | DESIGN CONTROL REFERENCE | BLT447 |
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