NSN 5306-00-937-1975

Part Details | EXTERNALLY RELIEVED BODY BOLT

5306-00-937-1975 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: 53881263, 53-88126-3, 5306-00-937-1975, 00-937-1975, 5306009371975, 009371975

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53NOV 18, 196600-937-197506675 ( BOLT, EXTERNALLY RELIEVED BODY )
REFERENCE DRAWINGS & PICTURES

HEXAGON

Cross Reference | NSN 5306-00-937-1975
Part Number Cage Code Manufacturer
53-88126-376301BOEING COMPANY, THEDBA BOEING
Technical Data | NSN 5306-00-937-1975
Characteristic Specifications
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH28
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.535 INCHES MINIMUM AND 0.614 INCHES MAXIMUM
FASTENER LENGTH1.598 INCHES MINIMUM AND 1.645 INCHES MAXIMUM
MINIMUM TENSILE STRENGTH125000 POUNDS PER SQUARE INCH
HEAD STYLE HEXAGON
HEAD HEIGHT0.109 INCHES MINIMUM AND 0.141 INCHES MAXIMUM
WIDTH BETWEEN FLATS0.438 INCHES NOMINAL
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY2
FIRST DIAMETER FROM HEAD0.278 INCHES MINIMUM AND 0.279 INCHES MAXIMUM
SECOND DIAMETER FROM HEAD0.181 INCHES MINIMUM AND 0.191 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER0.935 INCHES MINIMUM AND 0.967 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER1.031 INCHES MINIMUM AND 1.063 INCHES MAXIMUM