National Item Identification Number
00-660-1938
National Stock Number
Item Name
NUT,SELF-LOCKING,HEXAGON
Federal Supply Class
5310
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Referenced on: http://containerhandler.tpub.com//TM-10-3930-641-24P/TM-10-3930-641-24P0841.htmDescription
A nut having a flat bottom and 6 sides. An integral feature is incorporated for locking on the threads of a mating member. Excludes NUT (1), SELF-LOCKING, CAP.
Commercial and Government Entity Code (Supplier Data)
10988
D9182
D9182
18876
NSN (National Stock Number) 5310-00-660-1938, 5310006601938 NIIN (National Identification Number) 00-660-1938, 006601938
Part Numbers (Reference Numbers)
131-461
21NU-040
21NU040
21U040
29NU-040
52-46-63
9072391
Required Categories
THREAD SERIES
NOMINAL THREAD SIZE
THREAD QUANTITY PER INCH
THREAD CLASS
THRE
Required Description
UNC
0.250 INCHES
20
3B
RIGHT-HAND
STEEL COMP 1212 NUT
MIL-M-20693 COMP A T