NSN 5306-01-057-6683

Part Details | EXTERNALLY RELIEVED BODY BOLT

5306-01-057-6683 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: 6695555, 6695-555, 6695555, 6695-555, 12266666, 5306-01-057-6683, 01-057-6683, 5306010576683, 010576683

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53MAR 17, 197801-057-668306675 ( BOLT, EXTERNALLY RELIEVED BODY )
REFERENCE DRAWINGS & PICTURES

HEXAGON

Cross Reference | NSN 5306-01-057-6683
Part Number Cage Code Manufacturer
6695-55580294BOURNS INSTRUMENTS INC
6695-55511871RECON/OPTICAL, INC.
1226666619207U S ARMY TANK AUTOMOTIVE COMMANDAMSTA-IM-MM
Technical Data | NSN 5306-01-057-6683
Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER0.3120 INCHES
THREAD QUANTITY PER INCH20
THREAD CLASS2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.900 INCHES NOMINAL
FASTENER LENGTH3.200 INCHES NOMINAL
HEAD STYLE HEXAGON
HEAD HEIGHT0.200 INCHES NOMINAL
WIDTH BETWEEN FLATS0.312 INCHES NOMINAL
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY3
FIRST DIAMETER FROM HEAD0.190 INCHES NOMINAL
SECOND DIAMETER FROM HEAD0.150 INCHES MINIMUM AND 0.152 INCHES MAXIMUM
THIRD DIAMETER FROM HEAD0.190 INCHES NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER1.500 INCHES NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER2.500 INCHES NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF THIRD DIAMETER3.200 INCHES NOMINAL