NSN 5306-01-272-0377

Part Details | EXTERNALLY RELIEVED BODY BOLT

5306-01-272-0377 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: 176C21413, 176C2141-3, 5306-01-272-0377, 01-272-0377, 5306012720377, 012720377

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53FEB 03, 198801-272-037706675 ( BOLT, EXTERNALLY RELIEVED BODY )
REFERENCE DRAWINGS & PICTURES

HEXAGON

HEXAGON FLATS

Cross Reference | NSN 5306-01-272-0377
Part Number Cage Code Manufacturer
176C2141-305606GENERAL DYNAMICS-OTS, INC.DBA GD-OTS (WILLISTON)
Technical Data | NSN 5306-01-272-0377
Characteristic Specifications
THREAD SERIES DESIGNATOR UNJF
NOMINAL THREAD DIAMETER0.500 INCHES
THREAD QUANTITY PER INCH20
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH1.172 INCHES MINIMUM AND 1.234 INCHES MAXIMUM
FASTENER LENGTH3.125 INCHES NOMINAL
HEAD STYLE HEXAGON
HEAD HEIGHT0.271 INCHES MINIMUM AND 0.291 INCHES MAXIMUM
WIDTH BETWEEN FLATS0.741 INCHES MINIMUM AND 0.752 INCHES MAXIMUM
HOLE CONFIGURATION STYLE HEXAGON FLATS
HOLE TYPE DRILLED
HOLE QUANTITY1
HOLE DIAMETER0.062 INCHES MINIMUM AND 0.078 INCHES MAXIMUM
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY1
FIRST DIAMETER FROM HEAD0.410 INCHES MINIMUM AND 0.420 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER1.891 INCHES MINIMUM AND 1.953 INCHES MAXIMUM
FEATURES PROVIDED FINISHED HEAD