National Stock Number
5980-01-243-8573
National Stock Number (NSN) 5980-01-243-8573, or NIIN 012438573, (switch,optoelectronic) was assigned November 1, 1986 in the Federal Logistics Information System (FLIS). NIIN 012438573 was cancelled on January 2, 2001, 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) 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.]. 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 5980012438573 does not contain precious metals.
This information was last updated on Aug 01, 2025.