National Stock Number
4520-20-001-9656
National Stock Number (NSN) 4520-20-001-9656, or NIIN 200019656, (coupling,air conditioning-heating) has an unknown assigned date. 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 a year. There have been 7 contracts issued for this part number, with 7 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 5 different suppliers. The last contract numbers awarded were: SPE8E921P0969, SPE8E819V1440, SPE8E818V2451, SPE8E814V1514, SPM8E813V0056. The total value of the awarded contracts has been US$ 4,150.36.
This NSN is somewhat common among different platforms, belonging to 5 different weapons systems.
There has been a small amount of demand for this national stock number. The demand for this NSN originated from less than 5 countries.
This NSN is assigned to Item Name Code (INC) 36365. [A STRAIGHT FORMED FITTING WITH CENTER BEAD AND IDENTICAL EXTERNAL ENDS DESIGNED TO CONNECT TWO SECTIONS OF AIR CONDITIONING-HEATING PIPES.].
This information was last updated on Oct 17, 2025.