National Stock Number
2530-00-311-7621
National Stock Number (NSN) 2530-00-311-7621, or NIIN 003117621, (seat,ball socket) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 2 stock numbers: 2530003925347, 2530003180953.
There are 6 manufacturer part numbers associated with this NSN. 3 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 6 suppliers. Today, 4 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 3 suppliers are deemed design controlled or valid supply parts.
This part number has not been procured by the US Government in over 5 years.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Sep 02, 2005, this NSN's acquisition method was noted as: Not established. Not established.
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 item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. 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. NSN 2530003117621 contains an unknown precious metal.
This NSN is associated to Schedule B 8708295170: parts and accessories, nesoi, of bodies (including cabs) of heading 8701 to 8705. The Schedule B End Use is listed as other parts and accessories of vehicles.
This information was last updated on Aug 01, 2025.