National Stock Number
5945-00-557-2021
National Stock Number (NSN) 5945-00-557-2021, or NIIN 005572021, (relay,electromagnetic) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 2 manufacturer part numbers associated with this NSN. 2 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 4 suppliers. 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) 32512. [A RELAY WHICH IS ACTUATED BY THE EFFECT OF A MAGNETIC FIELD DEVELOPED BY THE CURRENT IN ITS ENERGIZING COIL(S). INCLUDES SOLENOID AND ARMATURE TYPES. EXCLUDES:CONTACTOR, MAGNETIC; RELAY, METER MOVEMENT; RELAY, MOTOR DRIVEN; RELAY, REED; RELAY, RESONANT REED; RELAY, ROTARY; AND SWITCH, STEPPING.]. 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 5945005572021 contains an unknown precious metal.
This NSN is associated to Schedule B 8536410020: relays, electromechanical, with contacts rated less than 10 a, for a voltage not exceeding 60 v. The Schedule B End Use is listed as electric apparatus. NAICS classification category 335314: relay and industrial control manufacturing.
This information was last updated on Jul 01, 2025.