National Stock Number
2815-01-321-6438
National Stock Number (NSN) 2815-01-321-6438, or NIIN 013216438, (ring set,piston) was assigned June 20, 1990 in the Federal Logistics Information System (FLIS). NIIN 013216438 was cancelled on April 2, 1999, with a cancelled status of "Item is Cancelled as Duplicate." This NSN was replaced by NSN 2815011608216. This NSN does not replace any other NSNs.
There are no manufacturer part numbers associated to this NSN.
This part number has not been procured by the US Government in over 5 years.
This NSN is assigned to Item Name Code (INC) 16116. [TWO OR MORE COMPLETE RING, PISTON GROUPED FOR A SINGLE PISTON OR FOR ALL PISTONS OF AN INTERNAL COMBUSTION ENGINE, AIR COMPRESSOR, OR THE LIKE.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 2815013216438 does not contain precious metals.
This information was last updated on Aug 01, 2025.