National Stock Number
1290-00-411-6591
National Stock Number (NSN) 1290-00-411-6591, or NIIN 004116591, (mixer,crystal,waveguide) has an unknown assigned date. NIIN 004116591 was cancelled on March 2, 1990, 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) 22971. [AN ITEM CONSISTING OF A WAVEGUIDE ASSEMBLY HAVING TWO FREQUENCY INPUTS, A CRYSTAL (ANY SEMICONDUCTOR DEVICE THAT PROVIDES RECTIFICATION) AND AN OUTPUT CONNECTION. IT IS EMPLOYED TO MIX TWO FREQUENCIES, WITH THE RESULTANT OUTPUT FREQUENCY BEING A COMPOSITE OF THE TWO INPUTS. FOR ITEMS WHICH ALSO UTILIZE ELECTRON TUBE(S), SEE MIXER STAGE, FREQUENCY. SEE ALSO MIXER, CRYSTAL, COAXIAL.]. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 1290004116591 does not contain precious metals.
This information was last updated on Jul 01, 2025.