National Stock Number
4820-01-223-3660
National Stock Number (NSN) 4820-01-223-3660, or NIIN 012233660, (valve,relay,air pressure) was assigned December 28, 1985 in the Federal Logistics Information System (FLIS). NIIN 012233660 was cancelled on April 2, 1996, with a cancelled status of "Item is Cancelled as Duplicate." This NSN was replaced by NSN 4820010053281. 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) 36296. [A VALVE SPECIFICALLY DESIGNED FOR INSTALLATION IN AN AIR BRAKE SYSTEM. IT IS USED ON TRAILERS, LONG WHEEL BASE VEHICLES, AS WELL AS MULTIPLE REAR AXLE VEHICLES. IT SERVES TO SPEED AND SYNCHRONIZE THE APPLICATION AND RELEASE OF AIR OPERATED SERVICE OR PARKING BRAKES. IT MAY INCLUDE EMERGENCY FEATURES FOR TRAILER APPLICATION.]. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 4820012233660 does not contain precious metals.
This information was last updated on Aug 01, 2025.