National Stock Number (NSN) 6680-01-091-0639, or NIIN 010910639, (meter,fluid flow indicating,diff) was assigned February 29, 1980 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 5 manufacturer part numbers associated with this NSN. 3 of those 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, 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 a year. There have been 18 contracts issued for this part number, with 18 awards given. There is moderate competition for this NSN. The US Government has awarded contracts to 7 different suppliers. The last contract numbers awarded were: SPE4A623PZ129, SPE4A623P6962, SPE4A622P6304, SPE4A621V1456, SPE4A620PF575. The total value of the awarded contracts has been US$ 248,710.77.
This NSN is somewhat common among different platforms, belonging to 2 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 Sep 02, 2006, 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) 08249. [AN INSTRUMENT DESIGNED TO MEASURE THE RATE OF FLOW OF A FLUID THROUGH A PIPELINE, BASED ON THE EXACT RELATION WHICH DIFFERENTIAL PRESSURE BEARS TO FLUID VELOCITY, AND THIS MEASUREMENT INDICATED ON A GRADUATED SCALE BY A POINTER DIRECTLY CONNECTED TO A MERCURY OR OIL SEALED BELL OR A BELLOWS. IT MAY OR MAY NOT HAVE A TOTALIZING INTEGRATOR REGISTER BUILT IN. EXCLUDES: METER, FLOW RATE INDICATING; METER, FLUID FLOW INDICATING, ELECTROMAGNETIC; AND METER, FLUID FLOW INDICATING, ULTRASONIC.]. This item does not have a nuclear hardened feature but does have other critical feature(s) 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 6680010910639 contains an unknown precious metal.
This NSN is associated to Schedule B 9028200000: liquid meters. The Schedule B End Use is listed as measuring, testing, control instruments. NAICS classification category 334514: totalizing fluid meter and counting device manufacturing.
This information was last updated on May 01, 2025.