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National Stock Number:
5306-00-948-4421
Federal Supply Class:
5306
National Item Identification Number:
009484421
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:
| MC10037 | 76050 | EATON AEROSPACE LLC M C AEROSPACE DIV DBA STERER ENGINEERING | | MC10037 | 99643 | EATON AEROSPACE LLC |
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Techincal Specification:
| DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 1.124 INCHES NOMINAL FIRST HOLE | | FASTENER LENGTH | 1.280 INCHES NOMINAL | | FEATURES PROVIDED | FINISHED HEAD | | GRIP LENGTH | 0.796 INCHES MINIMUM AND 0.828 INCHES MAXIMUM | | HARDNESS RATING | 26.0 ROCKWELL C MINIMUM AND 30.0 ROCKWELL C MAXIMUM OVERALL | | HEAD HEIGHT | 0.140 INCHES MINIMUM AND 0.172 INCHES MAXIMUM | | HEAD STYLE | HEXAGON | | MATERIAL | STEEL CORROSION RESISTING OVERALL | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | SHANK UNTHREADED HOLE DIAMETER | 0.076 INCHES MINIMUM AND 0.086 INCHES MAXIMUM FIRST HOLE | | WIDTH BETWEEN FLATS | 0.428 INCHES MINIMUM AND 0.440 INCHES MAXIMUM | | SURFACE FINISH | 32.0 MICROINCHES THREADS | | SURFACE TREATMENT | PAINT OVERALL | | THREAD DIRECTION | RIGHT-HAND | | THREAD CLASS | 3A | | THREAD LENGTH | 0.452 INCHES MINIMUM AND 0.484 INCHES MAXIMUM | | THREAD SERIES DESIGNATOR | UNF | | THREAD QUANTITY PER INCH | 28 |
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