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National Stock Number:
5306-00-151-1075
Federal Supply Class:
5306
National Item Identification Number:
001511075
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:
| AN4DD42A | 81352 | AIR FORCE-NAVY AERONAUTICAL SPECIFICATIONS PROMULGATED BY AERONAUTICAL STANDARDS GROUP | | AN4DD42A | 88044 | AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE | | B6812 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | | NASM6812AN4DD42A | 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 | 4.265 INCHES MINIMUM AND 4.312 INCHES MAXIMUM | | FEATURES PROVIDED | FINISHED HEAD | | GRIP LENGTH | 3.867 INCHES MINIMUM AND 3.889 INCHES MAXIMUM | | HEAD HEIGHT | 0.140 INCHES MINIMUM AND 0.172 INCHES MAXIMUM | | HEAD STYLE | HEXAGON | | MATERIAL | ALUMINUM ALLOY OVERALL | | MINIMUM TENSILE STRENGTH | 62000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | WIDTH BETWEEN FLATS | 0.428 INCHES MINIMUM AND 0.440 INCHES MAXIMUM | | SURFACE TREATMENT | ANODIZE OVERALL | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.398 INCHES MINIMUM | | THREAD QUANTITY PER INCH | 28 | | THREAD SERIES DESIGNATOR | UNF |
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