NSN 5306-01-175-8765

Part Details | EXTERNALLY RELIEVED BODY BOLT

5306-01-175-8765 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: 997810380, 99-781-0380, 997810380, 99-781-0380, B490389, 5306-01-175-8765, 01-175-8765, 5306011758765, 011758765

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53APR 05, 198401-175-876506675 ( BOLT, EXTERNALLY RELIEVED BODY )
REFERENCE DRAWINGS & PICTURES

UNDERCUT HEXAGON

ROUND

Cross Reference | NSN 5306-01-175-8765
Part Number Cage Code Manufacturer
99-781-0380INTE9NATO STOCK NUMBER ASSIGNED BYANOTHER NATION
99-781-038099995NATO STOCK NUMBER ASSIGNEDBY ANOTHER NATION
B490389K0378ROLLS-ROYCE MILITARY AERO ENGINESLTD
Technical Data | NSN 5306-01-175-8765
Characteristic Specifications
THREAD SERIES DESIGNATOR UNJF
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH28
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.320 INCHES NOMINAL
FASTENER LENGTH1.150 INCHES NOMINAL
HEAD STYLE6 UNDERCUT HEXAGON
HEAD DIAMETER0.512 INCHES NOMINAL
HEAD HEIGHT0.150 INCHES NOMINAL
DISTANCE FROM CENTERLINE TO FLAT0.187 INCHES MINIMUM AND 0.192 INCHES MAXIMUM
HOLE CONFIGURATION STYLE ROUND
HOLE TYPE DRILLED
HOLE QUANTITY1
HOLE DIAMETER0.669 INCHES MINIMUM AND 0.739 INCHES MAXIMUM
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY2
FIRST DIAMETER FROM HEAD0.190 INCHES MINIMUM AND 0.195 INCHES MAXIMUM
SECOND DIAMETER FROM HEAD0.190 INCHES MINIMUM AND 0.195 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER0.310 INCHES MINIMUM AND 0.340 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER0.800 INCHES MINIMUM AND 0.830 INCHES MAXIMUM