NSN 5306-00-207-5187

Part Details | EXTERNALLY RELIEVED BODY BOLT

5306-00-207-5187 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: 255711, 5306-00-207-5187, 00-207-5187, 5306002075187, 002075187

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 01, 196300-207-518706675 ( BOLT, EXTERNALLY RELIEVED BODY )
REFERENCE DRAWINGS & PICTURES

HEXAGON

DOUBLE HEXAGON LONGITUDINAL HOLE

Cross Reference | NSN 5306-00-207-5187
Part Number Cage Code Manufacturer
25571177445UNITED TECHNOLOGIES CORPORATIONDBA PRATT WHITNEY-SPARE PARTS
Technical Data | NSN 5306-00-207-5187
Characteristic Specifications
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER0.312 INCHES
THREAD QUANTITY PER INCH24
NONSTANDARD THREAD PITCH DIAMETER+0.2800 TO +0.2824 INCHES
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.375 INCHES MINIMUM
FASTENER LENGTH0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM
HEAD STYLE0 HEXAGON
HEAD HEIGHT0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM
WIDTH BETWEEN FLATS0.367 INCHES MINIMUM AND 0.376 INCHES MAXIMUM
EXTENDED WASHER DIAMETER0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM
EXTENDED WASHER THICKNESS0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM
HOLE CONFIGURATION STYLE DOUBLE HEXAGON LONGITUDINAL HOLE
HOLE TYPE DRILLED
HOLE QUANTITY2
HOLE DIAMETER0.065 INCHES NOMINAL
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY1
FIRST DIAMETER FROM HEAD0.247 INCHES MINIMUM AND 0.251 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER0.125 INCHES NOMINAL
PRECIOUS MATERIAL SILVER