National Stock Number
6680-00-457-8688
National Stock Number (NSN) 6680-00-457-8688, or NIIN 004578688, (meter,flow rate indicating) was assigned April 30, 1969 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 1 stock number, 6680004915164.
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, 2 suppliers are deemed design controlled or valid supply parts.
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 Dec 31, 2013, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) 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) 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 6680004578688 does not contain precious metals.
This information was last updated on Jul 01, 2025.