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National Stock Number:
5306-00-193-9576
Federal Supply Class:
5306
National Item Identification Number:
001939576
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:
| 2586931-1 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
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Techincal Specification:
| DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 4.625 INCHES NOMINAL FIRST HOLE | | FASTENER LENGTH | 4.875 INCHES NOMINAL | | FEATURES PROVIDED | FINISHED HEAD | | GRIP LENGTH | 3.937 INCHES NOMINAL | | HEAD HEIGHT | 0.226 INCHES MINIMUM AND 0.243 INCHES MAXIMUM | | HEAD STYLE | HEXAGON | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-281 CL B FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | NICKEL ALLOY R-405 OVERALL | | NOMINAL THREAD DIAMETER | 0.375 INCHES | | SHANK UNTHREADED HOLE DIAMETER | 0.106 INCHES MINIMUM AND 0.116 INCHES MAXIMUM FIRST HOLE | | WIDTH BETWEEN FLATS | 0.551 INCHES MINIMUM AND 0.562 INCHES MAXIMUM | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.812 INCHES MINIMUM AND 1.062 INCHES MAXIMUM | | THREAD QUANTITY PER INCH | 24 | | THREAD SERIES DESIGNATOR | UNF |
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