National Stock Number
4820-01-190-7147
National Stock Number (NSN) 4820-01-190-7147, or NIIN 011907147, (valve,vacuum breaking) was assigned September 29, 1984 in the Federal Logistics Information System (FLIS). NIIN 011907147 was cancelled on January 2, 1995, with a cancelled status of "Item is Cancelled - USE." This NSN was replaced by NSN 4820011620083. This NSN replaces 1 stock number, 4510012849139.
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) 08101. [AN ITEM DESIGNED TO AUTOMATICALLY RELIEVE VACUUM, BY THE INTAKE OF AIR, WHEN THE INTERNAL PRESSURE FALLS BELOW ATMOSPHERIC PRESSURE. SEE ALSO VALVE, VACUUM REGULATING.]. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 4820011907147 does not contain precious metals.
This information was last updated on Jul 01, 2025.