National Stock Number
5805-00-503-2570
National Stock Number (NSN) 5805-00-503-2570, or NIIN 005032570, (armature,telephone switch) was assigned January 1, 1961 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 1 stock number, 5805006175509.
There are 2 manufacturer part numbers associated with this NSN. None of the associated 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, 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.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Jul 02, 2006, 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) 00843. [AN ITEM WHICH IS THE PIVOTED OR SPRING-MOUNTED FERROMAGNETIC PORTION OF A TELEPHONE SWITCH AND WHICH IS ACTUATED BY THE TELEPHONE SWITCH MAGNET. EXCLUDES:SWITCH SUBASSEMBLY.]. 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 5805005032570 contains an unknown precious metal.
This NSN is associated to Schedule B 8543706000: articles designed for connection to telegraphic or telephonic apparatus or instruments or to telegraphic or telephonic networks. The Schedule B End Use is listed as telecommunications equipment. NAICS classification category 334210: telephone apparatus manufacturing.
This information was last updated on Aug 01, 2025.