National Stock Number
4220-01-357-1281
National Stock Number (NSN) 4220-01-357-1281, or NIIN 013571281, (filter,air,diving apparatus) was assigned April 16, 1992 in the Federal Logistics Information System (FLIS). NIIN 013571281 was cancelled on September 2, 2002, 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 is only one manufacturer part number associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by one supplier. Today, one supplier is listed as an Active supplier for this NSN. Of the active suppliers, there are no suppliers that are deemed design controlled or valid supply parts.
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 does not have a critical feature 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 4220013571281 does not contain precious metals.
This information was last updated on Aug 01, 2025.