National Stock Number
1660-01-473-2858
National Stock Number (NSN) 1660-01-473-2858, or NIIN 014732858, (oxygen system,ejection seat,airc) was assigned April 3, 2000 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 8 manufacturer part numbers associated with this NSN. 2 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 3 suppliers. Today, 3 suppliers are listed as Active suppliers 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 5 years.
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 Sep 18, 2010, this NSN's acquisition method was noted as: Suitable for competitive acquisition for the first time. (Potential sources shall include dealers/distributors.) This part requires engineering source approval by the design control activity in order to maintain the quality of the part. An alternate source must qualify in accordance with the design control activity's procedures, as approved by the cognizant Government engineering activity. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 52812. [AN EJECTION SEAT / EJECTION SEAT HARNESS MOUNTED SYSTEM WHICH PRIMARILY PROVIDES THE PILOT WITH OXYGEN FROM MAIN OXYGEN SUPPLY IN NORMAL FLYING CONDITIONS. IN CASE OF EMERGENCY SUCH AS EJECTION, DAMAGED HOSES, AND THE LIKE, IT PROVIDES THE SAME FUNCTION AFTER DISCONNECTION OR DEPRIVATION FROM MAIN OXYGEN SUPPLY. IT GENERALLY CONSISTS OF AN OXYGEN REGULATOR, A CONNECTION BOX, AN ANTI-G VALVE, HOSES, FITTINGS, EMERGENCY OXYGEN SUIT, AND THE LIKE. EXCLUDES:OXYGEN SYSTEM,AIRCRAFT SURVIVAL KIT.]. 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 1660014732858 does not contain precious metals.
This NSN is associated to Schedule B 8803300060: other parts of airplanes or helicopters for use in military aircraft (excludes propellers, rotors, undercarriages, and parts thereof). The Schedule B End Use is listed as parts for military-type goods. NAICS classification category 336413: other aircraft parts and auxiliary equipment manufacturing.
This information was last updated on Jul 01, 2025.