National Stock Number (NSN) 6680-01-237-1551, or NIIN 012371551, (meter,flow rate indicating) was assigned July 25, 1986 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. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 2 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. ISO Group has several sources of supply for this NSN.
This part number has not been procured by the US Government in over 5 years, with the most recent procurement date of Feb 02, 2015. There have been 5 contracts issued for this part number, with 5 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 3 different suppliers. The last contract numbers awarded were: SPE4A415V7295, SPE4A614VN421, SPE4A613M6124, SPM4A612MEQ71, SPM4A610VC052. The total value of the awarded contracts has been US$ 134,731.54.
This NSN is somewhat common among different platforms, belonging to 4 different weapons systems.
There has been a small amount of 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 Feb 02, 2005, 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 rights to use the data needed to purchase this part from additional sources are not owned by the Government and cannot be purchased. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 38346. [AN INSTRUMENT FOR MEASURING THE RATE OF FLOW OF A FLUID THROUGH A PIPELINE. THIS MEASUREMENT IS INDICATED ON A GRADUATED SCALE EITHER BY MEANS OF A FLOAT CONFINED IN A TUBE, OR POINTER CONNECTED TO A VANE, OR PISTON AND SPRING OR THE LIKE. EXCLUDES:METER, FLUID FLOW INDICATING, DIFFERENTIAL PRESSURE; METER, FLUID FLOW INDICATING, ELECTROMAGNETIC; AND METER, FLUID FLOW INDICATING, ULTRASONIC.]. 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 6680012371551 does not contain precious metals.
This information was last updated on Aug 01, 2025.