National Stock Number
5315-21-913-3220
National Stock Number (NSN) 5315-21-913-3220, or NIIN 219133220, (pin,lock) 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) 02387. [A FASTENING DEVICE FORMED FROM RESILIENT WIRE STOCK INTO A SHAPE RESEMBLING THE LETTER "U", OF WHICH AT LEAST ONE OF THE PRONGS IS STRAIGHT FOR INSERTION INTO A HOLE; THE OTHER PRONG MAY HAVE ONE OR MORE CURVATURES ALONG ITS LENGTH. IT IS DESIGNED TO HOLD ITSELF IN PLACE BY ITS INHERENT SPRING ACTION. SEE ALSO CLIP, RETAINING AND RING, RETAINING.].
This information was last updated on Oct 20, 2025.