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National Stock Number:
5306-00-579-0831
Federal Supply Class:
5306
National Item Identification Number:
005790831
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:
| AN101144 | 88044 | AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE | | AN103844 | 88044 | AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE |
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Techincal Specification:
| THREAD DIRECTION | RIGHT-HAND | | FASTENER LENGTH | 3.390 INCHES MINIMUM AND | | 4.010 INCHES MAXIMUM | | MATERIAL | STEEL COMP 8740 OVERALL | | THREAD LENGTH | 0.740 INCHES MINIMUM AND | | 0.820 INCHES MAXIMUM | | HEAD STYLE | HEXAGON | | THREAD SERIES DESIGNATOR | UNF | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | THREAD QUANTITY PER INCH | 28 | | THREAD CLASS | 3A | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 6322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL | | HARDNESS RATING | 26.0 ROCKWELL C MINIMUM AND | | 32.0 ROCKWELL C MAXIMUM OVERALL | | HEAD HEIGHT | 0.240 INCHES MINIMUM AND | | 0.260 INCHES MAXIMUM | | WIDTH BETWEEN FLATS | 0.430 INCHES MINIMUM AND | | 0.439 INCHES MAXIMUM | | HOLE CONFIGURATION STYLE | HEXAGON LONGITUDINAL HOLE | | HOLE TYPE | DRILLED | | HOLE QUANTITY | 6 | | HOLE DIAMETER | 0.070 INCHES NOMINAL | | GRIP LENGTH | 3.190 INCHES MINIMUM AND | | 3.250 INCHES MAXIMUM | | SURFACE FINISH | 63.0 MICROINCHES BEARING SURFACE OF HEAD | | 63.0 MICROINCHES GRIP | | 32.0 MICROINCHES THREADS | | FEATURES PROVIDED | FINISHED HEAD | | SPEC/STD CONTROLLING DATA | | | MANUFACTURERS CODE | 88044 | | DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | AN103844 |
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