National Stock Number
5340-99-253-0766
National Stock Number (NSN) 5340-99-253-0766, or NIIN 992530766, (insert,self-locking) has an unknown assigned date. This NSN does not replace any other NSNs.
There is only one manufacturer part number associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by one supplier. Today, one supplier is listed as an Active supplier for this NSN. Of the active suppliers, there are no suppliers that are deemed design controlled or valid supply parts.
This part number has not been procured by the US Government in over 5 years.
This NSN is assigned to Item Name Code (INC) 31470. [A NONMETALLIC UNTHREADED ITEM GENERALLY ROUND IN CROSS-SECTIONAL SHAPE WHICH, WHEN PLACED ON/IN A MACHINED-OUT PORTION OF THE THREADS OF A SCREW OR BOLT, OR INSERTED INTO THE MACHINED-OUT PORTION OF THE THREADS OF A NUT, LOCKS THE ITEM, TO WHICH IT IS FIXED, TO THE ATTACHED MATING MEMBER AND PREVENTS LOOSENING DURING EXCESSIVE VIBRATION. EXCLUDES BOLT, SELF-LOCKING; NUT, SELF-LOCKING (AS MODIFIED); SCREW, SELF-LOCKING; AND INSERT, SCREW THREAD.].
This information was last updated on Dec 24, 2025.