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National Stock Number:
5306-00-514-9252
Federal Supply Class:
5306
National Item Identification Number:
005149252
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:
| AN106028 | 88044 | AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE |
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Techincal Specification:
| THREAD DIRECTION | RIGHT-HAND | | FASTENER LENGTH | 2.875 INCHES NOMINAL | | MATERIAL | STEEL CORROSION RESISTING OVERALL | | THREAD LENGTH | 0.875 INCHES MINIMUM | | HEAD STYLE | HEXAGON | | THREAD SERIES DESIGNATOR | UNF | | NOMINAL THREAD DIAMETER | 0.500 INCHES | | THREAD QUANTITY PER INCH | 20 | | THREAD CLASS | 3A | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 7472 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | HEAD HEIGHT | 0.281 INCHES NOMINAL | | WIDTH BETWEEN FLATS | 0.741 INCHES MINIMUM AND | | 0.752 INCHES MAXIMUM | | GRIP LENGTH | 2.000 INCHES NOMINAL | | SURFACE FINISH | 63.0 MICROINCHES BEARING SURFACE OF HEAD | | 63.0 MICROINCHES GRIP | | 32.0 MICROINCHES THREADS | | DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 2.735 INCHES NOMINAL FIRST HOLE | | SHANK UNTHREADED HOLE DIAMETER | 0.094 INCHES MINIMUM AND | | 0.101 INCHES MAXIMUM ALL HOLES | | FEATURES PROVIDED | FINISHED HEAD | | SPEC/STD CONTROLLING DATA | | | MANUFACTURERS CODE | 88044 | | DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | AN106028 |
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