National Stock Number
2805-00-422-6163
National Stock Number (NSN) 2805-00-422-6163, or NIIN 004226163, (ring set,piston) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 3 stock numbers: 2805003561248, 2805003913228, 2805002141379.
There are 8 manufacturer part numbers associated with this NSN. 3 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 8 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. 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.
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.]. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 2805004226163 contains an unknown precious metal.
This NSN is associated to Schedule B 8409918000: parts for spark-ignition internal combustion piston engines, nesoi. The Schedule B End Use is listed as industrial engines. NAICS classification category 333618: other engine equipment manufacturing.
This information was last updated on Jul 01, 2025.