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National Stock Number: 5306-00-206-9333
Federal Supply Class: 5306
National Item Identification Number: 002069333
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:
237245 | 77445 | RTX CORPORATION |
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Techincal Specification:
CRITICALITY CODE JUSTIFICATION | FEAT | EXTENDED WASHER DIAMETER | 0.448 INCHES NOMINAL | EXTENDED WASHER THICKNESS | 0.080 INCHES NOMINAL | FASTENER LENGTH | 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM | FEATURES PROVIDED | FINISHED HEAD | HARDNESS RATING | 30.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL | HEAD HEIGHT | 0.292 INCHES NOMINAL | HEAD STYLE | DOUBLE HEXAGON W/HOLE | HOLE CONFIGURATION STYLE | HEXAGON FLATS | HOLE DIAMETER | 0.046 INCHES NOMINAL | HOLE QUANTITY | 4 | HOLE TYPE | DRILLED | MATERIAL | STEEL OVERALL | MINIMUM TENSILE STRENGTH | 136000 POUNDS PER SQUARE INCH | NOMINAL THREAD DIAMETER | 0.250 INCHES | SPECIAL FEATURES | DUE TO CRITICAL FEATURES, TOLERANCES, FIT RESTRICTIONS, MATERIAL PROPERTIES AND MANUFACTURING PROCESS. FAILURE COULD RESULT IN LOSS OR SUBSTANTIAL DAMAGE TO WEAPON SYSTEM, DEATH OR SERIOUS INJURY | WIDTH BETWEEN FLATS | 0.315 INCHES NOMINAL | SURFACE TREATMENT | CADMIUM OVERALL | THREAD CLASS | 1A | THREAD DIRECTION | RIGHT-HAND | THREAD LENGTH | 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM | THREAD QUANTITY PER INCH | 28 | THREAD SERIES DESIGNATOR | UNF |
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