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National Stock Number:
5306-00-043-2169
Federal Supply Class:
5306
National Item Identification Number:
000432169
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:
| 756171-105 | 06710 | VALLEY-TODECO, INC. | | 756171-105 | 6Z800 | A AND M AEROSPACE, INC. | | 756171-105 | 8T119 | G M J MACHINE CO, INC | | 756171-105 | 98897 | LOCKHEED MARTIN CORP |
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Techincal Specification:
| THREAD DIRECTION | RIGHT-HAND | | FASTENER LENGTH | 3.720 INCHES NOMINAL | | MATERIAL | STEEL OVERALL | | THREAD LENGTH | 0.800 INCHES MINIMUM | | HEAD STYLE | HEXAGON | | THREAD SERIES DESIGNATOR | UNJF | | NOMINAL THREAD DIAMETER | 1.000 INCHES | | THREAD QUANTITY PER INCH | 12 | | THREAD CLASS | 3A | | HEAD HEIGHT | 0.247 INCHES MINIMUM AND | | 0.267 INCHES MAXIMUM | | WIDTH BETWEEN FLATS | 0.142 INCHES MINIMUM AND | | 0.143 INCHES MAXIMUM | | DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 3.580 INCHES NOMINAL FIRST HOLE | | SHANK UNTHREADED HOLE DIAMETER | 0.146 INCHES NOMINAL FIRST HOLE | | FEATURES PROVIDED | FINISHED HEAD |
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