National Stock Number
6680-01-012-6645
National Stock Number (NSN) 6680-01-012-6645, or NIIN 010126645, (meter,flow rate indicating) was assigned November 15, 1975 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 4 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, 2 suppliers are listed as Active suppliers 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.
This NSN is unique to one weapons system.
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. 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) 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 6680010126645 does not contain precious metals.
This information was last updated on Aug 01, 2025.