National Stock Number
1650-00-356-3975
National Stock Number (NSN) 1650-00-356-3975, or NIIN 003563975, (valve,fluid pressure regulating,aircraft) was assigned February 8, 1974 in the Federal Logistics Information System (FLIS). NIIN 003563975 was cancelled on August 22, 1997, with a cancelled status of "Item is Cancelled - USE." This NSN was replaced by NSN 1650010183416. 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) 51190. [A VALVE SPECIFICALLY DESIGNED FOR AIRCRAFT USE DESIGNED TO AUTOMATICALLY MAINTAIN WITHIN CLOSE LIMITS A PREDETERMINED OUTLET PRESSURE WHICH MAY BE ADJUSTABLE WITHIN A SPECIFIED RANGE REGARDLESS OF THE HIGHER FLUCTUATING OR CONSTANT INLET PRESSURE. IT IS DESIGNED FOR USE WITH COMPRESSED GAS(ES) AND VARIOUS LIQUIDS AND MAY INCLUDE GAUGES. IT MAY BE INLINE OR CARTRIDGE (MANIFOLD) DESIGN. SEE ALSO VALVE, REGULATING, FLUID PRESSURE.]. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 1650003563975 does not contain precious metals.
This information was last updated on Jul 01, 2025.