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National Stock Number:
5306-01-480-5239
Federal Supply Class:
5306
National Item Identification Number:
014805239
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:
| NAS501-4-44A | 80205 | NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE |
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Techincal Specification:
| FASTENER LENGTH | 4.516 INCHES MINIMUM AND 4.562 INCHES MAXIMUM | | GRIP LENGTH | 4.0475 INCHES MINIMUM AND 4.0775 INCHES MAXIMUM | | HEAD HEIGHT | 0.312 INCHES MAXIMUM | | HEAD STYLE | HEXAGON | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS5645 ASSN STD 1ST MATERIAL RESPONSE AND AMS5646 ASSN STD 2ND MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 347 OVERALL | | MINIMUM TENSILE STRENGTH | 3000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | WIDTH BETWEEN FLATS | 0.426 INCHES MINIMUM AND 0.438 INCHES MAXIMUM | | SURFACE TREATMENT | PASSIVATE OVERALL | | THREAD DIRECTION | RIGHT-HAND | | THREAD CLASS | 3A | | THREAD SERIES DESIGNATOR | UNF | | THREAD QUANTITY PER INCH | 28 |
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