National Stock Number
5820-00-937-4759
National Stock Number (NSN) 5820-00-937-4759, or NIIN 009374759, (keyer,frequency shift) has an unknown assigned date. NIIN 009374759 was cancelled on May 13, 1990, with a cancelled status of "Item is Cancelled WITHOUT Replacement." 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) 19349. [AN ELECTRONIC DEVICE WHICH, IN ACCORDANCE WITH AN INTELLIGENCE SIGNAL, VARIES THE FREQUENCY OF A RADIO TRANSMITTER TO WHICH IT IS CONNECTED. IT IS GENERALLY USED IN THE TRANSMISSION OF TELEGRAPH SIGNALS WHEREIN THE "MARK" SIGNAL IS TRANSMITTED AT A GIVEN FREQUENCY AND THE "SPACE" SIGNAL AT A FREQUENCY DISPLACED FROM THE "MARK" FREQUENCY BY A FIXED NUMBER OF HERTZ (USUALLY 800).]. There is no information in the HMIRS; however, the NSN is in an FSC in Table II of Federal Standard 313 and an MSDS may be required by the user. The requirement for an MSDS is dependent on a hazard determination of the supplier or the intended end use of the product. NSN 5820009374759 contains an unknown precious metal.
This information was last updated on Jul 01, 2025.