4920-00-208-7659 TEST SET,COUNTERMEASURES SET Index 5310-00-208-7662 NUT,PLAIN,HEXAGON

National Stock Number:
5306-00-208-7661

Federal Supply Class:
5306

National Item Identification Number:
002087661

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:
1700900AHP5CURTISS-WRIGHT CONTROLS, INC.


Techincal Specification:
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER0.140 INCHES NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER2.440 INCHES MINIMUM AND 2.480 INCHES MAXIMUM
DISTANCE FROM CENTERLINE TO FLAT0.338 INCHES MINIMUM AND 0.342 INCHES MAXIMUM
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY2
FASTENER LENGTH3.030 INCHES NOMINAL
FIRST DIAMETER FROM HEAD0.366 INCHES MINIMUM AND 0.368 INCHES MAXIMUM
HARDNESS RATING26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
HEAD DIAMETER0.770 INCHES NOMINAL
HEAD HEIGHT0.120 INCHES MINIMUM AND 0.135 INCHES MAXIMUM
HEAD STYLEDEE CHAMFER
MATERIALSTEEL COMP 8740 OR STEEL COMP 4140 OVERALL
MINIMUM YIELD STRENGTH100000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.375 INCHES
SECOND DIAMETER FROM HEAD0.285 INCHES MINIMUM AND 0.289 INCHES MAXIMUM
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.550 INCHES MINIMUM AND 0.590 INCHES MAXIMUM
THREAD QUANTITY PER INCH24
THREAD SERIES DESIGNATORUNF


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