National Stock Number
5805-01-100-9791
National Stock Number (NSN) 5805-01-100-9791, or NIIN 011009791, (channel shifter,voice frequency) was assigned September 17, 1980 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. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by one supplier. 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 May 13, 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) 10939. [AN ITEM SPECIFICALLY DESIGNED TO SHIFT ONE OR TWO VOICE FREQUENCY CHANNELS FROM NORMAL CHANNELS TO HIGHER VOICE FREQUENCY CHANNELS AND TO SHIFT RECEIVED VOICE FREQUENCY CHANNELS TO NORMAL VOICE FREQUENCY CHANNELS FOR THE PURPOSE OF REDUCING CROSS-TALK BETWEEN CHANNELS IN RADIO TELEPHONE SYSTEMS.]. 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 5805011009791 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.