National Stock Number
4310-00-220-1870
National Stock Number (NSN) 4310-00-220-1870, or NIIN 002201870, (cap,air cleaner intake pipe) was assigned January 29, 1969 in the Federal Logistics Information System (FLIS). NIIN 002201870 was cancelled on December 5, 2019, with a cancelled status of "Item is Cancelled - Inactive." There is no known replacement specified for this stock number. This NSN does not replace any other NSNs.
There are 3 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 4 suppliers. Today, 4 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.
This NSN is assigned to Item Name Code (INC) 33640. [A CAP THAT SHIELDS THE AIR CLEANER INTAKE PIPE FROM RAIN, SNOW, AND LARGE PARTICLES OF FOREIGN MATTER SUCH AS TWIGS, HAY, STRAW, AND THE LIKE. IT ALSO CONFINES THE OIL SPRAY FROM THE OIL BATH AIR CLEANER WHEN THE ENGINE BACKFIRES OR ROLLBACK OCCURS.]. 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 4310002201870 does not contain precious metals.
This information was last updated on Jul 01, 2025.