5305-01-029-6831 SCREW,TAPPING Index 5360-01-029-6838 SPRING,HELICAL,TORSION

National Stock Number:
5306-01-029-6837

Federal Supply Class:
5306

National Item Identification Number:
010296837

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:
NP2949-00005643BARBER-GREENE CO
NP294900005643BARBER-GREENE CO
NP29490000MKW7MINNPAR, LLC


Techincal Specification:
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER0.234 INCHES MINIMUM
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY1
FASTENER LENGTH2.750 INCHES NOMINAL
FIRST DIAMETER FROM HEAD0.324 INCHES NOMINAL
HEAD HEIGHT0.316 INCHES NOMINAL
HEAD STYLEHEXAGON
MATERIALSTEEL OVERALL
NOMINAL THREAD DIAMETER0.487 INCHES
WIDTH BETWEEN FLATS0.737 INCHES NOMINAL
SURFACE TREATMENTOXIDE OVERALL
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH1.219 INCHES NOMINAL
THREAD SERIES DESIGNATORUNC
THREAD QUANTITY PER INCH13


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