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National Stock Number:
5306-01-042-7524
Federal Supply Class:
5306
National Item Identification Number:
010427524
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:
| 26-9711-2 | 81205 | THE BOEING COMPANY |
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Techincal Specification:
| DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 4.340 INCHES MINIMUM AND 4.370 INCHES MAXIMUM FIRST HOLE | | FASTENER LENGTH | 4.650 INCHES NOMINAL | | HARDNESS RATING | 33.0 ROCKWELL C MAXIMUM OVERALL | | HEAD HEIGHT | 0.600 INCHES MINIMUM AND 0.640 INCHES MAXIMUM | | HEAD STYLE | HEXAGON | | MATERIAL DOCUMENT AND CLASSIFICATION | AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 4340 OVERALL | | NOMINAL THREAD DIAMETER | 1.500 INCHES | | SHANK UNTHREADED HOLE DIAMETER | 0.160 INCHES MINIMUM AND 0.180 INCHES MAXIMUM FIRST HOLE | | WIDTH BETWEEN FLATS | 1.970 INCHES MINIMUM AND 2.000 INCHES MAXIMUM | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 1.120 INCHES NOMINAL | | THREAD SERIES DESIGNATOR | UNF | | THREAD QUANTITY PER INCH | 12 |
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