National Stock Number (NSN) 4920-01-494-3033, or NIIN 014943033, (ventilation system,fuel cell,air) was assigned February 7, 2002 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. 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, only one supplier is 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 a year. There have been 12 contracts issued for this part number, with 12 awards given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPE4A523V2226, SPE4A623V9813, SPE4A523V0789, SPE4A522V2966, SPE4A622V393D. The total value of the awarded contracts has been US$ 834,172.82.
This NSN is somewhat common among different platforms, belonging to 3 different weapons systems.
There has been a small amount of demand for this national stock number. The demand for this NSN originated from less than 5 countries. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Oct 20, 2020, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. The Government physically does not have in its possession sufficient, accurate, or legible data to purchase this part from other than current source(s). (NOTE: This code is applicable only to parts under immediate buy requirements and only as long as the deficiency is under review for resolution and appropriate recoding.) Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 67223. [CONSISTS OF A BLOWER AND BREATHING AIR SUPPLY, BREATHING MASKS, FILTERS, AND HOSES. MAY ALSO INCLUDE, STANDBY OXYGEN SUPPLY, ADAPTERS, NETTING, JACKS, CAPS, AND PLUGS. MAY HAVE STORAGE FOR ALL ITEMS NECESSARY FOR THE MAINTENANCE OF CELL, FUEL, AIRCRAFT. THIS SYSTEM REPLACES FUEL VAPOR IN THE CELL, FUEL, AIRCRAFT WITH AMBIENT AIR OXYGEN. IT ALSO PROVIDES BREATHING AIR FOR MAINTENANCE AND INSPECTION PERSONNEL. MAY BE PROVIDED IN A DEPLOYABLE CONTAINER OR TRAILER MOUNTED.]. 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 4920014943033 does not contain precious metals.
This information was last updated on Jul 01, 2025.