National Stock Number
6680-01-172-5321
National Stock Number (NSN) 6680-01-172-5321, or NIIN 011725321, (switch,liquid level) was assigned February 22, 1984 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, with the most recent procurement date of Mar 18, 2015. There has been one contract issued for this part number, with one award given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPE4A615M7716. The total value of the awarded contracts has been US$ 220.95.
This NSN is somewhat common among different platforms, belonging to 2 different weapons systems.
There has been very little demand for this national stock number. The demand for this NSN originated from less than 5 countries. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Aug 28, 2010, 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 does not have adequate data, lacks rights to data, or both, needed to purchase this part from additional sources. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 37187. [A SWITCH WHICH IS ACTUATED BY A FLOAT OR SENSING DEVICE(S) TO CONTROL LIQUID LEVEL AND/OR ACTUATE VISUAL OR AUDIBLE WARNING SYSTEMS. IT MAY INCLUDE A RELAY CONTROLLED BY THE SWITCH ELEMENT. EXCLUDES:TRANSMITTER,LIQUID QUANTITY.]. 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 6680011725321 does not contain precious metals.
This information was last updated on Jul 01, 2025.