National Stock Number
4220-01-164-4997
National Stock Number (NSN) 4220-01-164-4997, or NIIN 011644997, (inhalator,diver's) was assigned October 18, 1983 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. 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.
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 Jan 20, 2020, this NSN's acquisition method was noted as: Acquire only from the prime contractor although the engineering data identifies the Commercial and Government Entity Code (CAGE) and part number of a source other than the prime contractor. The design of this part is unstable. Engineering, manufacturing, or performance characteristics indicate that the required design objectives have not been achieved. Major changes are contemplated because the part has a low process yield or has demonstrated marginal performance during tests or service use. These changes will render the present part obsolete and unusable in its present configuration. Limited acquisition from the present source is anticipated pending configuration changes. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 04729. [A RESPIRATING DEVICE USED FOR ADMINISTERING OXYGEN OR HELIUM-OXYGEN MIXTURES IN RECOMPRESSION CHAMBER TO AID IN DECOMPRESSION AND TREATMENT OF COMPRESSED AIR ILLNESS.]. 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 4220011644997 does not contain precious metals.
This NSN is associated to Schedule B 9019200000: ozone therapy, oxygen therapy, aerosol therapy, artifical respiration or other therapeutic respiration apparatus; parts and accessories. The Schedule B End Use is listed as medicinal equipment. NAICS classification category 339113: surgical appliance and supplies manufacturing.
This information was last updated on Jul 01, 2025.