National Stock Number
6650-20-000-4546
National Stock Number (NSN) 6650-20-000-4546, or NIIN 200004546, (filter,light,optical instrument) 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 16 contracts issued for this part number, with 15 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: SPE7L724P3190, SPE7L724P2114, SPE7L723P1436, SPE7L721P1339, SPE7L720P3273. The total value of the awarded contracts has been US$ 737,233.60.
This NSN is unique to one weapons system.
There has been a moderate 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) 13346. [AN ITEM HAVING TWO PLANE-PARALLEL SURFACES AND CONSISTING OF A POLARIZING MATERIAL BONDED BETWEEN GLASS OR PLASTIC. THIS ITEM TRANSMITS LIGHT IN ONLY ONE PLANE AND IS USUALLY USED IN PAIRS TO VARY THE LIGHT TRANSMITTED INTO OR THROUGH AN OPTICAL INSTRUMENT. EXCLUDES:WINDOW, OPTICAL INSTRUMENT.].
This information was last updated on Oct 17, 2025.