National Stock Number (NSN) 5945-00-973-4143, or NIIN 009734143, (relay,electromagnetic) was assigned January 1, 1962 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 1 stock number, 5945008909480.
There are 16 manufacturer part numbers associated with this NSN. 4 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 7 suppliers. Today, 6 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 4 suppliers are deemed design controlled or valid supply parts.
This part number has been procured by the US Government within the last year, but shows no recent (last 90 days) procurement activity. There have been 26 contracts issued for this part number, with 24 awards given. There is heavy competition for this NSN. The US Government has awarded contracts to 11 different suppliers. The last contract numbers awarded were: SPE7MC25V2472, SPE7M225V1162, SPE7M225V1162, SPE7M524P6470, SPE7MC24V7380. The total value of the awarded contracts has been US$ 246,589.06.
This NSN is very common among different weapons systems, belonging to 25 different platforms.
There has been a small amount of demand for this national stock number. The demand for this NSN originated from less than 5 countries. The 24 month forecast from the US Government for this part number has high volatility, with an estimated forecasted value of US$ 20,244. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Dec 20, 2008, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) This part requires engineering source approval by the design control activity in order to maintain the quality of the part. An alternate source must qualify in accordance with the design control activity's procedures, as approved by the cognizant Government engineering activity. Valid AMCs: 1, 2, 3, 4 and 5.
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 5945009734143 does not contain precious metals.
This NSN is associated to Schedule B 8536490075: relays, electromechanical, for a voltage exceeding 60 v but not exceeding 1,000 v, nesoi. 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 Aug 01, 2025.