National Stock Number
1660-01-229-8879
National Stock Number (NSN) 1660-01-229-8879, or NIIN 012298879, (regulator,oxygen,diluter demand) was assigned April 6, 1986 in the Federal Logistics Information System (FLIS). NIIN 012298879 was cancelled on May 1, 2010, with a cancelled status of "Item is Cancelled - Inactive." 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. 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 unique to one weapons system.
This NSN is assigned to Item Name Code (INC) 07799. [A REGULATOR WHICH INCORPORATES A MECHANISM TO MIX AIR WITH OXYGEN UP TO PREDETERMINED ALTITUDES. AT THE PREDETERMINED ALTITUDE THE REGULATOR AUTOMATICALLY DELIVERS PURE OXYGEN.]. 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 1660012298879 does not contain precious metals.
This information was last updated on Aug 01, 2025.