NSN 5306-01-321-9046

Part Details | EXTERNALLY RELIEVED BODY BOLT

5306-01-321-9046 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: 4076478, 4076478, 5306-01-321-9046, 01-321-9046, 5306013219046, 013219046

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JUN 26, 199001-321-904606675 ( BOLT, EXTERNALLY RELIEVED BODY )
REFERENCE DRAWINGS & PICTURES

UNDERCUT HEXAGON

FLAT

Cross Reference | NSN 5306-01-321-9046
Part Number Cage Code Manufacturer
40764780UCY9M.S. AEROSPACE INC.
407647877445UNITED TECHNOLOGIES CORPORATIONDBA PRATT WHITNEY-SPARE PARTS
Technical Data | NSN 5306-01-321-9046
Characteristic Specifications
THREAD SERIES DESIGNATOR UNJF
NOMINAL THREAD DIAMETER0.3125 INCHES
THREAD QUANTITY PER INCH24
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.650 INCHES NOMINAL
FASTENER LENGTH1.190 INCHES MINIMUM AND 1.200 INCHES MAXIMUM
HEAD STYLE5 UNDERCUT HEXAGON
HEAD DIAMETER0.490 INCHES NOMINAL
HEAD HEIGHT0.190 INCHES MINIMUM AND 0.210 INCHES MAXIMUM
DISTANCE FROM CENTERLINE TO FLAT0.255 INCHES MINIMUM AND 0.265 INCHES MAXIMUM
POINT STYLE4 FLAT
POINT LENGTH0.190 INCHES NOMINAL
POINT DIAMETER0.080 INCHES MINIMUM AND 0.100 INCHES MAXIMUM
POINT CHAMFER ANGLE58.0 DEGREES MINIMUM AND 62.0 DEGREES MAXIMUM
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY1
FIRST DIAMETER FROM HEAD0.329 INCHES MINIMUM AND 0.331 INCHES MAXIMUM
SECOND DIAMETER FROM HEAD0.247 INCHES MINIMUM AND 0.251 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER0.095 INCHES MINIMUM AND 0.115 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER0.520 INCHES MINIMUM AND 0.570 INCHES MAXIMUM
SPECIAL FEATURESBOTTOM FLAT OF HEAD CHAMFERRED 45/47 DEGREES
END ITEM IDENTIFICATIONF100PW0229 ENGINE