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National Stock Number: 5306-01-566-8263
Federal Supply Class: 5306
National Item Identification Number: 015668263
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:
12505540-002 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM | AB106301817518CB | 1BMM7 | STAGE 8 FASTENERS INC. DBA STAGE 8 LOCKING FASTENERS |
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Techincal Specification:
EXTENDED WASHER DIAMETER | 0.921 INCHES MINIMUM AND 0.938 INCHES MAXIMUM | EXTENDED WASHER THICKNESS | 0.166 INCHES NOMINAL | HARDNESS RATING | 37.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL | HEAD HEIGHT | 0.360 INCHES NOMINAL | HEAD STYLE | DOUBLE HEXAGON EXTENDED WASHER | PART NAME ASSIGNED BY CONTROLLING AGENCY | BOLT,LOCKING ASSEMBLY | MATERIAL | STEEL OVERALL | MINIMUM TENSILE STRENGTH | 170000 POUNDS PER SQUARE INCH | MINIMUM YIELD STRENGTH | 153000 POUNDS PER SQUARE INCH | NOMINAL THREAD DIAMETER | 0.625 INCHES | WIDTH BETWEEN FLATS | 0.618 INCHES MINIMUM AND 0.627 INCHES MAXIMUM | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-DTL-13924 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | SURFACE TREATMENT | OXIDE OVERALL | THREAD DIRECTION | RIGHT-HAND | THREAD LENGTH | 1.750 INCHES NOMINAL | THREAD QUANTITY PER INCH | 18 | THREAD SERIES DESIGNATOR | UNF |
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