National Stock Number
4240-00-810-1558
National Stock Number (NSN) 4240-00-810-1558, or NIIN 008101558, (breathing apparatus,self-contained) has an unknown assigned date. NIIN 008101558 was cancelled on June 25, 1998, 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.
This part number has not been procured by the US Government in over 5 years.
This NSN is assigned to Item Name Code (INC) 21123. [A PORTABLE RESPIRATORY PROTECTIVE DEVICE, WHICH SUPPLIES RESPIRABLE AIR TO THE WEARER FROM SELF-CONTAINED AIR CYCLINDER(S) WITHOUT RECOURSE TO ATMOSPHERIC AIR SUPPLY. IT MAY HAVE BREATHING BAGS. EXCLUDES:ITEMS WHICH USE CHEMICALS TO GENERATE OXYGEN, AND RESPIRATOR OUTFIT.]. 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). Information is in the Hazardous Materials Information Resource System (HMIRS). NSN 4240008101558 does not contain precious metals.
This information was last updated on Jul 01, 2025.