National Stock Number
4220-01-039-1857
National Stock Number (NSN) 4220-01-039-1857, or NIIN 010391857, (filter,air,diving apparatus) was assigned April 16, 1977 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 2 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 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. 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) 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 nuclear hardened feature but does have other critical feature(s) 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 4220010391857 does not contain precious metals.
This information was last updated on Apr 01, 2025.