National Stock Number
5945-01-122-1821
National Stock Number (NSN) 5945-01-122-1821, or NIIN 011221821, (relay,solid state) was assigned November 15, 1981 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. 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, only one supplier is deemed design controlled or valid supply parts.
This part number has not been procured by the US Government in over 5 years.
This NSN is assigned to Item Name Code (INC) 31446. [A SELF-CONTAINED DEVICE THAT PERFORMS THE FUNCTION OF OPENING OR CLOSING AN ELECTRICAL CIRCUIT IN RESPONSE TO ELECTRICAL CHANGES IN AN EXTERNAL CIRCUIT. IN LIEU OF SEPARABLE CONTACTS AND THEIR ACTUATOR(S), THE SWITCHING FUNCTION IS ACCOMPLISHED BY MEANS OF AN ARRANGEMENT OF SEMICONDUCTORS AND PASSIVE CIRCUIT DEVICES. THE DEVICE IS DESIGNED TO HAVE ELECTRICAL ISOLATION BETWEEN CONTROL CIRCUIT AND OUTPUT CIRCUIT. EXCLUDES RELAY, HYBRID.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 5945011221821 contains an unknown precious metal.
This information was last updated on Aug 01, 2025.