National Stock Number
5945-00-581-7543
National Stock Number (NSN) 5945-00-581-7543, or NIIN 005817543, (relay,reed) was assigned December 19, 1974 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. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 2 suppliers. 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.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Nov 02, 2005, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. 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) 30544. [A RELAY CONSISTING OF AN ENERGIZING COIL AND A METALLIC REED SWITCH MECHANISM. THE REEDS SERVE AS BOTH CORE AND CONTACTS, WHICH ARE NOT HINGED OR PIVOTED AND WHICH MOVE BY FLEXURE WHEN ACTED UPON BY A MAGNETIC FIELD INDUCED BY ENERGIZATION OF THE COIL. IT MAY ALSO INCLUDE A BIASING MAGNET. THE BIASING MAGNET, EITHER AIDS OR OPPOSES THE MOVEMENT OF THE REEDS AND THE OPENING OR CLOSING OF THE CONTACTS. FOR ITEMS IN WHICH ACTUATION IS DEPENDENT ON THE RESONANT FREQUENCY OF THE REEDS SEE RELAY, RESONANT REED. EXCLUDES:RELAY, ELECTROMAGNETIC.]. 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 5945005817543 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 Aug 01, 2025.