National Item Identification Number
01-139-4721
011394721
5306-01-139-4721
5306011394721
National Stock Number
Item Name
BOLT,EXTERNALLY RELIEVED BODY
Federal Supply Class
5306
Referenced on: http://automotiveenginemechanics.tpub.com//TM-1-2840-238-23P/TM-1-2840-238-23P0127.htm
Referenced on: http://automotiveenginemechanics.tpub.com//TM-1-2840-238-23P/TM-1-2840-238-23P0240.htm
Referenced on: http://www.tpub.com/content/aviationmaintandmisc/TM-1-2840-248-23P/css/TM-1-2840-248-23P_227.htmDescription
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.
Commercial and Government Entity Code (Supplier Data)
99207
NSN (National Stock Number) 5306-01-139-4721, 5306011394721 NIIN (National Identification Number) 01-139-4721, 011394721
Part Numbers (Reference Numbers)
3031T95P04
Required Categories
THREAD SERIES DESIGNATOR
NOMINAL THREAD DIAMETER
THREAD QUANTITY PER INCH
THR
Required Description
UNJF
0.250 INCHES
28
3A
RIGHT-HAND
0.312 INCHES NOMINAL
0.870 INCHES MINIM