National Stock Number
4820-01-201-8107
National Stock Number (NSN) 4820-01-201-8107, or NIIN 012018107, (valve,seatless) has an unknown assigned date. NIIN 012018107 was cancelled on September 23, 1999, with a cancelled status of "Item is Cancelled - Inactive." There is no known replacement specified for this stock number. 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) 11061. [A VALVE THAT CONTROLS FLOW BY A CYLINDRICAL PISTON SLIDING VERTICALLY THROUGH PACKING RINGS SEPARATED BY A METAL CAGE HAVING PORTS THROUGH WHICH FLOW MAY PROCEED WHEN THE VALVE IS OPEN. ROTATION OF THE THREADED STEM IS USED TO REGULATE THE POSITION OF THE PISTON. SEE ALSO VALVE, PLUG AND VALVE, WEIGHTED CONTROL, PISTON.]. This item does not have a critical feature such as tolerance, fit restrictions or application. Nuclear hardness properties have not been determined (not valid for input). There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 4820012018107 does not contain precious metals.
This information was last updated on Jun 01, 2025.