NSN 5306-01-297-4077

Part Details | EXTERNALLY RELIEVED BODY BOLT

5306-01-297-4077 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: 9V4319, 5306-01-297-4077, 01-297-4077, 5306012974077, 012974077

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53APR 03, 198901-297-407706675 ( BOLT, EXTERNALLY RELIEVED BODY )
REFERENCE DRAWINGS & PICTURES

DOUBLE HEXAGON EXTENDED WASHER

Cross Reference | NSN 5306-01-297-4077
Part Number Cage Code Manufacturer
9V431911083CATERPILLAR INC.DBA CATERPILLAR
Technical Data | NSN 5306-01-297-4077
Characteristic Specifications
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER0.500 INCHES
THREAD QUANTITY PER INCH20
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH20.57 MILLIMETERS NOMINAL
FASTENER LENGTH76.2 MILLIMETERS NOMINAL
HEAD STYLE DOUBLE HEXAGON EXTENDED WASHER
HEAD HEIGHT12.7 MILLIMETERS NOMINAL
WIDTH BETWEEN FLATS12.7 MILLIMETERS NOMINAL
EXTENDED WASHER DIAMETER19.05 MILLIMETERS NOMINAL
EXTENDED WASHER THICKNESS2.55 MILLIMETERS MINIMUM AND 3.55 MILLIMETERS MAXIMUM
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY1
FIRST DIAMETER FROM HEAD10.41 MILLIMETERS MINIMUM AND 10.91 MILLIMETERS MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER55.63 MILLIMETERS NOMINAL