National Stock Number
5340-12-312-7863
National Stock Number (NSN) 5340-12-312-7863, or NIIN 123127863, (seat,ball socket) has an unknown assigned date. This NSN does not replace any other NSNs.
There are 4 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 2 suppliers. Today, 2 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. ISO Group has several sources of supply for this NSN.
This part number has not been procured by the US Government in over 5 years.
There has been very little demand for this national stock number. The demand for this NSN originated from less than 5 countries.
This NSN is assigned to Item Name Code (INC) 19451. [A RIGID ITEM, USUALLY CIRCULAR IN SHAPE, HAVING A CONCAVE OR BEVEL BEARING SURFACE ON ONE END. IT IS DESIGNED TO MATE WITH AND PROVIDE A WEAR SURFACE FOR THE BALL OF A BALL STUD, CONTROL ROD, ARM, OR THE LIKE. THE OTHER END IS USUALLY FLAT, FLANGED, OR OFFSET AND IS USUALLY DESIGNED TO MATE WITH A FLAT SURFACE OR SPRING. INCLUDES METAL ITEMS HAVING A PLASTIC BALL SOCKET INSERT. SEE ALSO WASHER, CONCAVE.].
This information was last updated on Dec 29, 2025.