National Stock Number
5980-01-198-0072
National Stock Number (NSN) 5980-01-198-0072, or NIIN 011980072, (switch,optoelectronic) has an unknown assigned date. NIIN 011980072 was cancelled on May 16, 1997, 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) 37201. [A SWITCH DESIGNED TO PERFORM THE FUNCTION OF OPENING AND/OR CLOSING ONE OR MORE ELECTRICAL CIRCUITS. IN LIEU OF SEPERABLE CONTACTS, THE SWITCHING FUNCTION IS ACCOMPLISHED BY MEANS OF AN ARRANGEMENT OF ONE OR MORE LIGHT EMITTERS AND ONE OR MORE PHOTOSENSITIVE DEVICES. THE ITEM FUNCTIONS IN RESPONSE TO CHANGES IN ITS OWN ELECTRICAL CIRCUIT CAUSED BY THE EMITTED LIGHT BEING REFLECTED TO THE PHOTOSENSITIVE DEVICE OR THE EMITTED LIGHT BEING INTERRUPTED BEFORE IT REACHES THE PHOTOSENSITIVE DEVICE. THE ITEM HAS NO OTHER FORM OF ACTUATION.]. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 5980011980072 contains an unknown precious metal.
This information was last updated on Jul 01, 2025.