5305-01-166-6400 SCREW,MACHINE Index 3020-01-166-6402 PULLEY,GROOVE

National Stock Number:
5306-01-166-6401

Federal Supply Class:
5306

National Item Identification Number:
011666401

Description:
BOLT,EXTERNALLY RELIEVED BODY

Detail:
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.


Manufacturer Information:
1093375119207U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM


Techincal Specification:
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER1.620 INCHES NOMINAL
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY3
FASTENER LENGTH4.120 INCHES NOMINAL
FIRST DIAMETER FROM HEAD0.810 INCHES NOMINAL
HEAD HEIGHT1.000 INCHES NOMINAL
HEAD STYLEHEXAGON
MATERIALSTEEL COMP 1015 OVERALL
WIDTH BETWEEN FLATS0.612 INCHES MINIMUM AND 0.625 INCHES MAXIMUM
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH1.440 INCHES NOMINAL
THREAD SERIES DESIGNATORUNC


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