National Stock Number (NSN) 5945-01-172-9821, or NIIN 011729821, (relay,electromagnetic) was assigned February 29, 1984 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 3 manufacturer part numbers associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 3 suppliers. Today, 3 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 3 suppliers are deemed design controlled or valid supply parts. ISO Group has several sources of supply for this NSN.
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 19 contracts issued for this part number, with 19 awards given. There is moderate competition for this NSN. The US Government has awarded contracts to 10 different suppliers. The last contract numbers awarded were: SPE7M525V4056, SPE7M125P2039, SPE7M124V0839, SPE7M124V0658, SPE7M123V5487. The total value of the awarded contracts has been US$ 75,819.16.
This NSN is very common among different weapons systems, belonging to 26 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$ 1,681. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Apr 09, 2020, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. The data needed to produce this item from additional sources is not physically available. Valid AMCs: 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 5945011729821 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.