National Item Identification Number
01-051-9913
National Stock Number
Item Name
NUT,SELF-LOCKING,CASTELLATED,HEXAGON
Federal Supply Class
5310
Description
A nut having 6 flat sides, flat on the bottom and having a slotted cylindrical or dome shaped upper portion. An integral feature is incorporated for locking on the threads of a mating member. The slots when used in conjunction with a solid or split (cotter) pin, act as an extra ""fail safe"" feature in critical applications. Excludes NUT (1), SELF-LOCKING, SLOTTED, HEXAGON.
Commercial and Government Entity Code (Supplier Data)
07482
Reference Numbers (Part Numbers)
9441M21P06
Required Categories
THREAD SERIES
NOMINAL THREAD SIZE
THREAD QUANTITY PER INCH
THREAD CLASS
THRE
Required Description
UNC
0.250 INCHES
20
2B
RIGHT-HAND
STEEL OVERALL
NOT RATED
A1 CASTELLATED,