NSN 5306-00-426-3312

Part Details | EXTERNALLY RELIEVED BODY BOLT

5306-00-426-3312 An externally threaded fastener whose threaded portion is of one nominal diameter, and whose unthreaded portion has been machined or ground in one or more places or over its entire length to a maximum diameter less than the minimum pitch diameter of the thread (excludes undercuts for thread relief). It is No. 10 (0.190 IN.) (5 mm) or larger in size and has a head which is not designed to be held or driven with an inserted driver or designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. Excludes BOLT, INTERNAL WRENCHING and THUMBSCREW. See also SCREW, EXTERNALLY RELIEVED BODY.

Alternate Parts: 1B9503, 5306-00-426-3312, 00-426-3312, 5306004263312, 004263312

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 01, 196300-426-331206675 ( BOLT, EXTERNALLY RELIEVED BODY )
REFERENCE DRAWINGS & PICTURES

HEXAGON

Cross Reference | NSN 5306-00-426-3312
Part Number Cage Code Manufacturer
1B950311083CATERPILLAR INC.DBA CATERPILLAR
Technical Data | NSN 5306-00-426-3312
Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER0.312 INCHES
THREAD QUANTITY PER INCH18
THREAD CLASS2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH1.250 INCHES MINIMUM
FASTENER LENGTH3.000 INCHES NOMINAL
HEAD STYLE HEXAGON
HEAD HEIGHT0.219 INCHES NOMINAL
WIDTH BETWEEN FLATS0.500 INCHES NOMINAL
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY2
FIRST DIAMETER FROM HEAD0.312 INCHES NOMINAL
SECOND DIAMETER FROM HEAD0.281 INCHES NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER0.500 INCHES NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER1.500 INCHES NOMINAL