National Stock Number
5805-00-357-0639
National Stock Number (NSN) 5805-00-357-0639, or NIIN 003570639, (switch,telephone,crossbar) was assigned February 2, 1974 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There is only one manufacturer part number associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 3 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 01, 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 Government physically does not have in its possession sufficient, accurate, or legible data to purchase this part from other than current source(s). (NOTE: This code is applicable only to parts under immediate buy requirements and only as long as the deficiency is under review for resolution and appropriate recoding.) Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 21278. [AN ELECTROMAGNETICALLY ACTUATED SWITCH IN WHICH CONTACTS ARE CLOSED BETWEEN HORIZONTAL AND VERTICAL BANKS OF CONDUCTING BARS. IT MAY BE DESIGNED TO FIND AND HOLD THE SPECIFIC CIRCUIT FROM WHICH THE STARTING SIGNAL HAS ORIGINATED, TO CHOOSE AN IDLE CIRCUIT AND CONNECT THE INCOMING SIGNAL TO IT, TO CONNECT THE TRUNK LINES FROM ANOTHER SWITCH TO THE DESIRED CALLED STATION AND/OR PERFORM OTHER SELECTIVE SWITCHING FUNCTIONS. SEE ALSO SWITCH, TELEPHONE, FINDER AND SWITCH TELEPHONE, SELECTOR.]. 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 5805003570639 does not contain precious metals.
This NSN is associated to Schedule B 8517700000: parts for apparatus for transmission or reception of voice, images or other data, including apparatus for communication in a wired or wireless network. The Schedule B End Use is listed as telecommunications equipment. NAICS classification category 334220: radio and television broadcasting and wireless communications equipment manufacturing.
This information was last updated on Apr 01, 2024.