NSN 5340-21-920-4125, 5340219204125
SEAT,BALL SOCKET

Federal Supply Classification: FSC 5340 - Hardware, Commercial
National Item Identification Number: NIIN 219204125
Codification Country: Canada
Item Name Code: INC 19451
Hazardous Material Indicator Code: (P) There is no information in the HMIRS; however, the NSN is in an FSC in Table II of Federal Standard 313 and an MSDS may be required by the user. The requirement for an MSDS is dependent on a hazard determination of the supplier or the intended end use of the product.

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DLMS^® Summary

National Stock Number 5340-21-920-4125

National Stock Number (NSN) 5340-21-920-4125, or NIIN 219204125, (seat,ball socket) has an unknown assigned date. This NSN does not replace any other NSNs.

There are 2 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 one supplier. Today, there are no suppliers 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 unique to one weapons system.

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 Oct 20, 2025.