NSN 5306-01-172-3268

Part Details | EXTERNALLY RELIEVED BODY BOLT

5306-01-172-3268 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: BLT4614, 5306-01-172-3268, 01-172-3268, 5306011723268, 011723268

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53FEB 20, 198401-172-326806675 ( BOLT, EXTERNALLY RELIEVED BODY )
REFERENCE DRAWINGS & PICTURES

HEXAGON

Cross Reference | NSN 5306-01-172-3268
Part Number Cage Code Manufacturer
BLT4614K0378ROLLS-ROYCE MILITARY AERO ENGINESLTD
Technical Data | NSN 5306-01-172-3268
Characteristic Specifications
THREAD SERIES DESIGNATOR UNJF
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH28
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.766 INCHES NOMINAL
FASTENER LENGTH2.141 INCHES NOMINAL
HEAD STYLE HEXAGON
HEAD HEIGHT0.140 INCHES NOMINAL
WIDTH BETWEEN FLATS0.439 INCHES NOMINAL
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY2
FIRST DIAMETER FROM HEAD0.210 INCHES NOMINAL
SECOND DIAMETER FROM HEAD1.165 INCHES NOMINAL
SPECIAL FEATURESSECOND DIA FROM HEAD 0.195 IN. ROUNDED FROM 0.250 IN.