NSN 5306-01-020-2439

Part Details | EXTERNALLY RELIEVED BODY BOLT

5306-01-020-2439 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: SPE16N25, 5306-01-020-2439, 01-020-2439, 5306010202439, 010202439

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53APR 27, 197601-020-243906675 ( BOLT, EXTERNALLY RELIEVED BODY )
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 5306-01-020-2439
Part Number Cage Code Manufacturer
SPE16N2503950NAVAL INVENTORY CONTROL POINTMECHANICSBURG
Technical Data | NSN 5306-01-020-2439
Characteristic Specifications
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER0.500 INCHES
THREAD QUANTITY PER INCH20
THREAD CLASS2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.750 INCHES NOMINAL
HEAD HEIGHT0.310 INCHES MINIMUM AND 0.320 INCHES MAXIMUM
WIDTH BETWEEN FLATS0.742 INCHES MINIMUM AND 0.750 INCHES MAXIMUM
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY2
FIRST DIAMETER FROM HEAD0.496 INCHES MINIMUM AND 0.500 INCHES MAXIMUM
SECOND DIAMETER FROM HEAD0.415 INCHES MINIMUM AND 0.425 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER0.250 INCHES NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER1.500 INCHES NOMINAL
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT