NSN 5306-00-091-5381

Part Details | EXTERNALLY RELIEVED BODY BOLT

5306-00-091-5381 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: 228117, 5306-00-091-5381, 00-091-5381, 5306000915381, 000915381

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 01, 196300-091-538106675 ( BOLT, EXTERNALLY RELIEVED BODY )
REFERENCE DRAWINGS & PICTURES

HEXAGON

Cross Reference | NSN 5306-00-091-5381
Part Number Cage Code Manufacturer
22811777445UNITED TECHNOLOGIES CORPORATIONDBA PRATT WHITNEY-SPARE PARTS
Technical Data | NSN 5306-00-091-5381
Characteristic Specifications
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER0.312 INCHES
THREAD QUANTITY PER INCH24
THREAD CLASS3A
THREAD LENGTH0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM
FASTENER LENGTH3.930 INCHES MINIMUM AND 3.950 INCHES MAXIMUM
HEAD STYLE HEXAGON
HEAD HEIGHT0.270 INCHES MINIMUM AND 0.290 INCHES MAXIMUM
WIDTH BETWEEN FLATS0.492 INCHES MINIMUM AND 0.502 INCHES MAXIMUM
FIRST DIAMETER FROM HEAD0.309 INCHES MINIMUM AND 0.312 INCHES MAXIMUM
SECOND DIAMETER FROM HEAD0.240 INCHES MINIMUM AND 0.250 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER0.230 INCHES MINIMUM AND 0.270 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER3.420 INCHES MINIMUM AND 3.460 INCHES MAXIMUM