National Stock Number
1660-00-795-5477
National Stock Number (NSN) 1660-00-795-5477, or NIIN 007955477, (canister,oxygen generating,breathing apparatus) was assigned January 1, 1962 in the Federal Logistics Information System (FLIS). NIIN 007955477 was cancelled on September 2, 2019, with a cancelled status of "Item is Cancelled WITHOUT Replacement." There is no known replacement specified for this stock number. This NSN replaces 1 stock number, 1660012568241.
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 3 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.
This part number has not been procured by the US Government in over 5 years.
This NSN is unique to one weapons system.
There has been very little 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 Jun 04, 2020, 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) 17303. [A METAL CONTAINER FILLED WITH CHEMICALS WHICH ABSORB CARBON DIOXIDE AND MOISTURE FROM EXHALED BREATH AND GENERATES OXYGEN FOR BREATHING. IT IS DESIGNED FOR USE WITH A BREATHING APPARATUS, OXYGEN GENERATING. FOR CANISTERS DESIGNED FOR USE IN A REBREATHING UNIT TO ABSORB CARBON DIOXIDE, SEE CANISTER, CARBON DIOXIDE ABSORBENT, OXYGEN REBREATHING UNIT.]. 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 1660007955477 does not contain precious metals.
This information was last updated on Aug 01, 2025.