National Stock Number
5310-12-176-5222
National Stock Number (NSN) 5310-12-176-5222, or NIIN 121765222, (push on nut) has an unknown assigned date. NIIN 121765222 was cancelled on January 2, 2013, with a cancelled status of "Item is Cancelled WITHOUT Replacement." There is no known replacement specified for this stock number. This NSN does not replace any other NSNs.
There are 6 manufacturer part numbers associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 4 suppliers. Today, 3 suppliers are listed as Active suppliers 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) 05281. [AN ITEM FORMED FROM SHEET SPRING MATERIAL INTO VARYING FLAT, CONCAVE, CURVED, OR NUTLIKE DESIGN. IT HAS AN APERTURE WITH AN ELLIPTICAL-SHAPED HOLE OR SUITABLE LUGS OR PRONGS DESIGNED TO RETAIN THREADED OR UNTHREADED STUD LIKE PROJECTING MEMEBERS. WHEN PUSHED ON, IT GRIPS BY IMBEDDING INTO THE MATERIAL OF THE PROJECTING MEMEBERS, AND DOES NOT MATE WITH A THREAD HELIX. SEE ALSO RING, RETAINING.].
This information was last updated on Oct 17, 2025.