National Stock Number
4220-00-141-1902
National Stock Number (NSN) 4220-00-141-1902, or NIIN 001411902, (regulator,air pressure,demand) was assigned January 1, 1961 in the Federal Logistics Information System (FLIS). NIIN 001411902 was cancelled on September 2, 2004, with a cancelled status of "Item is Cancelled - USE." This NSN was replaced by NSN 4220011053069. This NSN does not replace any other NSNs.
There are 4 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 2 suppliers. Today, one supplier is listed as an Active supplier 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 assigned to Item Name Code (INC) 28020. [INC 28020 CANCELLED/REPLACED BY ,INC 67375, FIIG T164-H, APP-KEY HA ,ON 061603 ~A REGULATOR DESIGNED TO DELIVER AIR AUTOMATICALLY WHEN THE USER INHALES. IT IS INTENDED FOR USE WITH PRESSURIZED AIR. EXCLUDES:REGULATOR (1), OXYGEN, DEMAND.]. 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 data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 4220001411902 contains an unknown precious metal.
This information was last updated on Aug 01, 2025.