NSN 5306-00-528-7381

Part Details | MACHINE BOLT

5306-00-528-7381 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: 5287381, 5306-00-528-7381, 00-528-7381, 5306005287381, 005287381

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 01, 196300-528-738101847 ( BOLT, MACHINE )
REFERENCE DRAWINGS & PICTURES

HEXAGON COUNTERSUNK

Cross Reference | NSN 5306-00-528-7381
Part Number Cage Code Manufacturer
528738119207U S ARMY TANK AUTOMOTIVE COMMANDAMSTA-IM-MM
Technical Data | NSN 5306-00-528-7381
Characteristic Specifications
HEAD STYLE HEXAGON COUNTERSUNK
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER0.438 INCHES
THREAD QUANTITY PER INCH20
NONSTANDARD THREAD PITCH DIAMETER+0.4014 TO +0.4040 INCHES
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.656 INCHES MINIMUM AND 0.718 INCHES MAXIMUM
FASTENER LENGTH0.796 INCHES MINIMUM AND 0.828 INCHES MAXIMUM
HEAD HEIGHT0.312 INCHES NOMINAL
WIDTH BETWEEN FLATS0.609 INCHES MINIMUM AND 0.641 INCHES MAXIMUM
COUNTERSINK ANGLE75.0 DEGREES NOMINAL
FEATURES PROVIDED FINISHED HEAD