National Stock Number
4240-00-086-7891
National Stock Number (NSN) 4240-00-086-7891, or NIIN 000867891, (canister,carbon dioxide absorbent,oxygen rebreathing unit) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). NIIN 000867891 was cancelled on April 20, 2004, with a cancelled status of "Item is Cancelled WITHOUT Replacement." There is no known replacement specified for this stock number. This NSN does not replace any other NSNs.
There are 3 manufacturer part numbers associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 3 suppliers. Today, 2 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 2 suppliers 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 5 years.
There has been very little demand for this national stock number. The demand for this NSN originated from less than 5 countries.
This NSN is assigned to Item Name Code (INC) 30170. [A LEAK-PROOF, PRESSURE-TIGHT METAL CONTAINER DESIGNED FOR USE WITH A CLOSED-CIRCUIT OXYGEN REBREATHING UNIT. IT IS DESIGNED TO BE FILLED WITH CHEMICALS WHICH ABSORB CARBON DIOXIDE AND MOISTURE FROM EXHALED BREATH. THE CANISTER MAY BE REFILLED WHEN CHEMICALS ARE EXHAUSTED. FOR ITEMS WHICH GENERATE OXYGEN FOR BREATHING, IN ADDITION TO ABSORPTION OF CARBON DIOXIDE, SEE CANISTER, OXYGEN GENERATING, BREATHING APPARATUS.]. This item does not have a critical feature such as tolerance, fit restrictions or application. Nuclear hardness properties have not been determined (not valid for input). There is no information in the HMIRS; however, the NSN is in an FSC in Table II of Federal Standard 313 and an MSDS may be required by the user. The requirement for an MSDS is dependent on a hazard determination of the supplier or the intended end use of the product. NSN 4240000867891 does not contain precious metals.
This information was last updated on Aug 01, 2025.