National Stock Number
5805-01-255-4018
National Stock Number (NSN) 5805-01-255-4018, or NIIN 012554018, (telephone circuit,trunk relay) was assigned May 20, 1987 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. 2 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 2 suppliers. Today, there are no suppliers 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.
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) 07974. [A TELEPHONE CIRCUIT CONSISTING PRIMARILY OF TELEPHONE RELAYS, TERMINATING IMPEDANCE NETWORKS, AND OTHER ASSOCIATED TELEPHONE EQUIPMENT DESIGNED FOR USE IN TERMINATING A TRUNK FROM A DISTANT TELEPHONE CENTRAL OFFICE AND IN PROVIDING SUPERVISION AND CONTROL OF THE ESTABLISHED TRUNK CONNECTION.]. 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 5805012554018 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 Jul 01, 2025.