NSN 5306-01-166-6401

Part Details | EXTERNALLY RELIEVED BODY BOLT

5306-01-166-6401 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: 10933751, 5306-01-166-6401, 01-166-6401, 5306011666401, 011666401

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53NOV 15, 198301-166-640106675 ( BOLT, EXTERNALLY RELIEVED BODY )
REFERENCE DRAWINGS & PICTURES

HEXAGON

Cross Reference | NSN 5306-01-166-6401
Part Number Cage Code Manufacturer
1093375119207U S ARMY TANK AUTOMOTIVE COMMANDAMSTA-IM-MM
Technical Data | NSN 5306-01-166-6401
Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH1.440 INCHES NOMINAL
FASTENER LENGTH4.120 INCHES NOMINAL
HEAD STYLE HEXAGON
HEAD HEIGHT1.000 INCHES NOMINAL
WIDTH BETWEEN FLATS0.612 INCHES MINIMUM AND 0.625 INCHES MAXIMUM
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY3
FIRST DIAMETER FROM HEAD0.810 INCHES NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER1.620 INCHES NOMINAL