National Stock Number
4820-01-490-1836
National Stock Number (NSN) 4820-01-490-1836, or NIIN 014901836, (valve,vent-check) was assigned September 21, 2001 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 Jul 01, 2020, this NSN's acquisition method was noted as: Suitable for competitive acquisition for the first time. (Potential sources shall include dealers/distributors.) The Government has unlimited rights to the technical data, and the data package is complete. Valid AMCs: 1 and 2.
This NSN is assigned to Item Name Code (INC) 52995. [A DUAL PURPOSE MARINE VALVE USED PRIMARILY WITH SHIPBOARD CARGO TANKS AND BULKHEADS. IT ACTS BOTH AS A VENT VALVE, TO RELIEVE VACUUM AND PRESSURE, AND A CHECK VALVE, TO PREVENT CARGO CONTAMINATION. IT IS EQUIPPED WITH AN INTERNAL FLAME SCREEN AND/OR A PROTECTIVE MESH AND MAY INCLUDE A HINGED COVER.]. 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 4820014901836 does not contain precious metals.
This information was last updated on Apr 01, 2024.