NSN 5306-01-526-0643

Part Details | MACHINE BOLT

5306-01-526-0643 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.

Alternate Parts: B18234B12070N, 5306-01-526-0643, 01-526-0643, 5306015260643, 015260643

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53DEC 07, 200401-526-064301847 ( BOLT, MACHINE )
REFERENCE DRAWINGS & PICTURES

HEXAGON EXTENDED WASHER

Cross Reference | NSN 5306-01-526-0643
Part Number Cage Code Manufacturer
B18234B12070N80204AMERICAN NATIONAL STANDARDSINSTITUTE, INCORPORATED
Technical Data | NSN 5306-01-526-0643
Characteristic Specifications
HEAD STYLE HEXAGON EXTENDED WASHER
THREAD SERIES DESIGNATOR M
NOMINAL THREAD DIAMETER12.0 MILLIMETERS
THREAD PITCH IN MILLIMETERS1.75
EXTERNAL THREAD TOLERANCE CLASS6G
THREAD DIRECTION LEFT-HAND
THREAD LENGTH31.25 MILLIMETERS MINIMUM AND 40.00 MILLIMETERS MAXIMUM
FASTENER LENGTH70.0 MILLIMETERS NOMINAL
HEAD HEIGHT12.1 MILLIMETERS NOMINAL
WIDTH BETWEEN FLATS14.57 MILLIMETERS MINIMUM AND 15.00 MILLIMETERS MAXIMUM
EXTENDED WASHER DIAMETER24.7 MILLIMETERS NOMINAL
EXTENDED WASHER THICKNESS1.8 MILLIMETERS NOMINAL
END ITEM IDENTIFICATIONSTRYKER,FOV