NSN 5306-00-089-9441

Part Details | EXTERNALLY RELIEVED BODY BOLT

5306-00-089-9441 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: 215784052, 215-78405-2, 5306-00-089-9441, 00-089-9441, 5306000899441, 000899441

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53AUG 07, 196700-089-944106675 ( BOLT, EXTERNALLY RELIEVED BODY )
REFERENCE DRAWINGS & PICTURES

UNDERCUT HEXAGON

Cross Reference | NSN 5306-00-089-9441
Part Number Cage Code Manufacturer
215-78405-280378TRIUMPH AEROSTRUCTURES, LLCDBA TRIUMPH AEROSTRUCTURES - VOUGHT
Technical Data | NSN 5306-00-089-9441
Characteristic Specifications
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH28
THREAD CLASS3A
THREAD LENGTH0.270 INCHES MINIMUM AND 0.280 INCHES MAXIMUM
FASTENER LENGTH1.770 INCHES MINIMUM AND 1.810 INCHES MAXIMUM
MINIMUM TENSILE STRENGTH180000 POUNDS PER SQUARE INCH
HEAD STYLE3 UNDERCUT HEXAGON
HEAD DIAMETER0.625 INCHES NOMINAL
HEAD HEIGHT0.160 INCHES NOMINAL
WIDTH BETWEEN FLATS0.490 INCHES MINIMUM AND 0.500 INCHES MAXIMUM
FIRST DIAMETER FROM HEAD0.250 INCHES NOMINAL
SECOND DIAMETER FROM HEAD0.3116 INCHES MINIMUM AND 0.3118 INCHES MAXIMUM
THIRD DIAMETER FROM HEAD0.192 INCHES MINIMUM AND 0.197 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER0.060 INCHES NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER1.420 INCHES MINIMUM AND 1.430 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF THIRD DIAMETER1.500 INCHES MINIMUM AND 1.510 INCHES MAXIMUM