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National Stock Number:
5306-99-325-0004
Federal Supply Class:
5306
National Item Identification Number:
993250004
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:
| AS49013 | 0U583 | SAE INTERNATIONAL | | AS49013 | U14C6 | SAE ITC ENGINE & AIRFRAME TECHNICALSTANDARDS | | AS49013 | U1653 | SOCIETY OF BRITISH AEROSPACE COMPANI LTD SBAC | | AS49013 | U5897 | ADVANCED LOGISTICS FOR AEROSPACE (UK) LIMITED |
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Techincal Specification:
| EXTENDED WASHER THICKNESS | 0.090 INCHES MINIMUM | | EXTENDED WASHER DIAMETER | 0.552 INCHES MINIMUM AND 0.572 INCHES MAXIMUM | | FASTENER LENGTH | 0.802 INCHES MINIMUM AND 0.822 INCHES MAXIMUM | | HARDNESS RATING | 350.0 VICKERS OR FIRTH DIAMOND PYRAMID MINIMUM OVERALL AND 485.0 VICKERS OR FIRTH DIAMOND PYRAMID MAXIMUM OVERALL | | HEAD HEIGHT | 0.373 INCHES MINIMUM AND 0.393 INCHES MAXIMUM | | HEAD STYLE | DOUBLE HEXAGON EXTENDED WASHER | | MATERIAL | NICKEL ALLOY OVERALL | | NOMINAL THREAD DIAMETER | 0.375 INCHES | | WIDTH BETWEEN FLATS | 0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.802 INCHES MINIMUM AND 0.822 INCHES MAXIMUM | | THREAD QUANTITY PER INCH | 24 | | THREAD SERIES DESIGNATOR | UNJF |
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