National Stock Number
4820-01-426-5152
National Stock Number (NSN) 4820-01-426-5152, or NIIN 014265152, (valve,check,oxygen system) was assigned March 14, 1996 in the Federal Logistics Information System (FLIS). NIIN 014265152 was cancelled on October 2, 2005, 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 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) 37942. [AN ITEM PERMITTING FLOW IN ONE DIRECTION ONLY. IT DOES NOT HAVE A STEM, EXCEPT WHEN EQUIPPED WITH A LEVER AND WEIGHT AND HAS NO PRESSURE ADJUSTMENT. IT IS SPECIFICALLY DESIGNED AND/OR CLEANED FOR OXYGEN SYSTEMS. SEE ALSO VALVE, CHECK; VALVE, STOP-CHECK.]. 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 4820014265152 does not contain precious metals.
This information was last updated on Jul 01, 2025.