NSN 5306-00-145-0770

Part Details | EXTERNALLY RELIEVED BODY BOLT

5306-00-145-0770 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: A781475, 5306-00-145-0770, 00-145-0770, 5306001450770, 001450770

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53APR 16, 196900-145-077006675 ( BOLT, EXTERNALLY RELIEVED BODY )
REFERENCE DRAWINGS & PICTURES

HEXAGON

HEXAGON FLATS

Cross Reference | NSN 5306-00-145-0770
Part Number Cage Code Manufacturer
A78147537695RAYTHEON COMPANYDBA RAYTHEON
Technical Data | NSN 5306-00-145-0770
Characteristic Specifications
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH28
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.172 INCHES MINIMUM AND 0.219 INCHES MAXIMUM
FASTENER LENGTH0.640 INCHES MINIMUM AND 0.687 INCHES MAXIMUM
HEAD STYLE HEXAGON
HEAD HEIGHT0.219 INCHES NOMINAL
WIDTH BETWEEN FLATS0.428 INCHES MINIMUM AND 0.440 INCHES MAXIMUM
HOLE CONFIGURATION STYLE HEXAGON FLATS
HOLE TYPE DRILLED
HOLE QUANTITY6
HOLE DIAMETER0.070 INCHES NOMINAL
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY2
FIRST DIAMETER FROM HEAD0.246 INCHES MINIMUM AND 0.249 INCHES MAXIMUM
SECOND DIAMETER FROM HEAD0.196 INCHES MINIMUM AND 0.206 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER0.230 INCHES MINIMUM AND 0.240 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER0.468 INCHES NOMINAL