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National Stock Number:
5306-01-280-8705
Federal Supply Class:
5306
National Item Identification Number:
012808705
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:
| 243-5864870 PC 20007 | 53711 | NAVAL SEA SYSTEMS COMMAND | | LHD243003-PC 20007 | 76657 | NATIONAL FORGE COMPANY |
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Techincal Specification:
| THREAD DIRECTION | RIGHT-HAND | | FASTENER LENGTH | 12.281 INCHES NOMINAL | | MATERIAL | STEEL OVERALL | | THREAD LENGTH | 2.938 INCHES NOMINAL | | HEAD STYLE | HEXAGON | | THREAD SERIES DESIGNATOR | UNC | | NOMINAL THREAD DIAMETER | 0.112 INCHES | | THREAD QUANTITY PER INCH | 40 | | THREAD CLASS | 2A | | MINIMUM TENSILE STRENGTH | 100000 POUNDS PER SQUARE INCH | | HEAD HEIGHT | 2.750 INCHES NOMINAL | | WIDTH BETWEEN FLATS | 3.875 INCHES NOMINAL | | GRIP LENGTH | 8.406 INCHES NOMINAL | | SURFACE FINISH | 63.0 MICROINCHES GRIP | | DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 11.969 INCHES NOMINAL FIRST HOLE | | SHANK UNTHREADED HOLE DIAMETER | 0.312 INCHES NOMINAL OVERALL | | FEATURES PROVIDED | FINISHED HEAD | | PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT |
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