NSN 5306-00-263-8948

Part Details | MACHINE BOLT

5306-00-263-8948 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: 4F7721, 5306-00-263-8948, 00-263-8948, 5306002638948, 002638948

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 01, 196300-263-894801847 ( BOLT, MACHINE )
REFERENCE DRAWINGS & PICTURES

HEXAGON

Cross Reference | NSN 5306-00-263-8948
Part Number Cage Code Manufacturer
4F772111083CATERPILLAR INC.DBA CATERPILLAR
Technical Data | NSN 5306-00-263-8948
Characteristic Specifications
HEAD STYLE HEXAGON
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER1.250 INCHES
THREAD QUANTITY PER INCH12
THREAD CLASS2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH1.375 INCHES MINIMUM
FASTENER LENGTH5.750 INCHES NOMINAL
MINIMUM YIELD STRENGTH145000 POUNDS PER SQUARE INCH
HEAD HEIGHT0.822 INCHES MINIMUM AND 0.866 INCHES MAXIMUM
WIDTH BETWEEN FLATS1.850 INCHES MINIMUM AND 1.875 INCHES MAXIMUM
GRIP LENGTH4.375 INCHES NOMINAL
FEATURES PROVIDED FINISHED HEAD
SPECIAL FEATURESHOLES LOCATED AT 90 DEG TO EACH OTHER