NSN 5306-00-423-9997

Part Details | MACHINE BOLT

5306-00-423-9997 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: 6B9855, MILB857, 5306-00-423-9997, 00-423-9997, 5306004239997, 004239997

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 01, 196300-423-999701847 ( BOLT, MACHINE )
REFERENCE DRAWINGS & PICTURES

HEXAGON

Cross Reference | NSN 5306-00-423-9997
Part Number Cage Code Manufacturer
6B985511083CATERPILLAR INC.DBA CATERPILLAR
MILB85781349MILITARY SPECIFICATIONSPROMULGATED BY MILITARY
Technical Data | NSN 5306-00-423-9997
Characteristic Specifications
HEAD STYLE HEXAGON
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER0.312 INCHES
THREAD QUANTITY PER INCH24
THREAD CLASS2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH1.875 INCHES MINIMUM
FASTENER LENGTH7.750 INCHES NOMINAL
MINIMUM TENSILE STRENGTH150000 POUNDS PER SQUARE INCH
HEAD HEIGHT0.195 INCHES MINIMUM AND 0.211 INCHES MAXIMUM
WIDTH BETWEEN FLATS0.484 INCHES MINIMUM AND 0.500 INCHES MAXIMUM
FEATURES PROVIDED FINISHED HEAD
NONDEFINITIVE SPEC/STD DATA2 TYPE AND 8 GRADE
DEPARTURE FROM CITED DESIGNATORAS MODIFIED BY THREAD LENGTH