National Stock Number
4220-01-241-2037
National Stock Number (NSN) 4220-01-241-2037, or NIIN 012412037, (filter,air,diving apparatus) was assigned September 23, 1986 in the Federal Logistics Information System (FLIS). NIIN 012412037 was cancelled on November 2, 2000, with a cancelled status of "Item is Cancelled WITHOUT Replacement." There is no known replacement specified for this stock number. 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) 11426. [A MECHANICAL DEVICE CONTAINING A SPONGE FILTERING ELEMENT WHICH PREVENTS OIL FROM BEING BLOWN FROM COMPRESSOR CYLINDERS INTO THE AIR HOSE OF DIVING EQUIPMENT. EXCLUDES:FILTER, FLUID, PRESSURE AND SEPARATOR, OIL.]. This item has critical features such as tolerance, fit restrictions or application. Nuclear hardness properties have not been determined (not valid for input). There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 4220012412037 does not contain precious metals.
This information was last updated on Jun 01, 2025.