National Stock Number
5980-99-331-8392
National Stock Number (NSN) 5980-99-331-8392, or NIIN 993318392, (switch,optoelectronic) has an unknown assigned date. This NSN does not replace any other NSNs.
There is only one manufacturer part number associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by one supplier. Today, one supplier is listed as an Active supplier for this NSN. Of the active suppliers, there are no suppliers that are deemed design controlled or valid supply parts. ISO Group has several sources of supply for this NSN.
This part number has not been procured by the US Government in over 5 years.
This NSN is somewhat common among different platforms, belonging to 2 different weapons systems.
There has been very little 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) 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 information was last updated on Aug 01, 2025.