National Stock Number
6021-01-543-7175
National Stock Number (NSN) 6021-01-543-7175, or NIIN 015437175, (switch assembly,fiber optic) was assigned September 20, 2006 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, 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.
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 Oct 29, 2014, 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 data or the rights to use the data needed to purchase this part from additional sources are not owned by the Government and it has been determined that it is uneconomical to purchase them. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 49695. [TWO OR MORE SWITCH, FIBER OPTIC MOUNTED ON A COMMON MOUNTING, WHICH IS PRIMARILY DESIGNED TO HOLD THE SWITCHES. EACH SWITCH, FIBER OPTIC MUST BE CAPABLE OF FUNCTIONING INDEPENDENTLY. FOR SWITCH ASSEMBLIES THAT INCLUDE ELECTRONIC SWITCHES, SEE SWITCH, ASSEMBLY.]. The item is a non-aviation Critical Safety Item (CSI) whose failure will result in serious damage to equipment or serious injury or death to personnel. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 6021015437175 does not contain precious metals.
This NSN is associated to Schedule B 8541408000: optical coupled isolators. The Schedule B End Use is listed as semiconductors. NAICS classification category 334413: semiconductor and related device manufacturing.
This information was last updated on Aug 01, 2025.