National Stock Number
4220-01-464-3628
National Stock Number (NSN) 4220-01-464-3628, or NIIN 014643628, (manifold,diver's,helium-oxygen) was assigned April 26, 1999 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.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Dec 05, 2008, 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. 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) 03296. [A DEVICE USED TO CONTROL AND SUPPLY HELIUM-OXYGEN MIXTURES TO DEEP SEA DIVERS AND AS A STORAGE RACK FOR THE GAS FLASKS.]. The item is a non-aviation Critical Safety Item (CSI) whose failure will result in serious damage to equipment or serious injury or death to personnel. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 4220014643628 does not contain precious metals.
This information was last updated on Aug 01, 2025.