NSN 5306-00-678-4259

Part Details | MACHINE BOLT

5306-00-678-4259 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: 7341633, 5306-00-678-4259, 00-678-4259, 5306006784259, 006784259

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 01, 196300-678-425901847 ( BOLT, MACHINE )
REFERENCE DRAWINGS & PICTURES

HEXAGON

Cross Reference | NSN 5306-00-678-4259
Part Number Cage Code Manufacturer
734163319207U S ARMY TANK AUTOMOTIVE COMMANDAMSTA-IM-MM
Technical Data | NSN 5306-00-678-4259
Characteristic Specifications
HEAD STYLE HEXAGON
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH28
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.440 INCHES MINIMUM AND 0.570 INCHES MAXIMUM
FASTENER LENGTH4.140 INCHES MINIMUM AND 4.190 INCHES MAXIMUM
HEAD HEIGHT0.140 INCHES MINIMUM AND 0.172 INCHES MAXIMUM
WIDTH BETWEEN FLATS0.428 INCHES MINIMUM AND 0.440 INCHES MAXIMUM
GRIP LENGTH3.620 INCHES MINIMUM AND 3.700 INCHES MAXIMUM
FEATURES PROVIDED FINISHED HEAD