National Stock Number
1660-01-370-7433
National Stock Number (NSN) 1660-01-370-7433, or NIIN 013707433, (filler valve,aircraft oxygen) was assigned January 30, 1993 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 1 stock number, 4820004310596.
There are 9 manufacturer part numbers associated with this NSN. 7 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 4 suppliers. Today, 3 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 a year. There have been 8 contracts issued for this part number, with 8 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 2 different suppliers. The last contract numbers awarded were: SPE4A724P9448, SPE4A724P9448, SPE4A722PB106, SPE4A722PB106, SPE4A721P7751. The total value of the awarded contracts has been US$ 2,957,730.06.
This NSN is somewhat common among different platforms, belonging to 9 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 May 02, 2006, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) Acquisition of this part is controlled by QPL procedures. Valid AMCs: 1 and 2.
This NSN is assigned to Item Name Code (INC) 50906. [AN ITEM DESIGNED TO PROVIDE THE MEANS OF EASILY CHARGING CYLINDERS FROM FILL STATIONS DISPERSED THROUGHOUT AN AIRCRAFT OR FOR GROUND SERVICING OF AIRCRAFT SYSTEM. THE ITEM MAY BE FOR A GASEOUS OR LIQUID SYSTEM AND MAY INCLUDE A CAP, CHAIN, PLUG OR FILTER.]. 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 1660013707433 does not contain precious metals.
This NSN is associated to Schedule B 8481909090: parts of taps, cocks, valves and similar appliances, nesoi. The Schedule B End Use is listed as industrial machines, other. NAICS classification category 332911: industrial valve manufacturing.
This information was last updated on Jul 01, 2025.