National Stock Number (NSN) 6680-00-973-1263, or NIIN 009731263, (adapter,speedometer-tachometer d) was assigned January 1, 1962 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 13 manufacturer part numbers associated with this NSN. 9 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 3 suppliers. Today, 3 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 built a very strong supply chain for this NSN. We have direct relationships with 33 sources of supply.
This part number has not been procured by the US Government in over a year. There have been 21 contracts issued for this part number, with 39 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: SPE4A624F371G, SPE4A623F478B, SPE4A623F8216, SPE4A623F8216, SPE4A722F0910. The total value of the awarded contracts has been US$ 175,709.64.
This NSN is fairly common among different weapons systems, belonging to 19 different platforms.
There has been a moderate amount of demand for this national stock number. Globally, demand for this NSN has originated from 14 countries. 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.) Acquisition of this part is controlled by QPL procedures. Valid AMCs: 1 and 2.
This NSN is assigned to Item Name Code (INC) 61798. [AN ADAPTER DESIGNED TO ATTACH THE SPEEDOMETER OR TACHOMETER DRIVE SHAFT TO THE VEHICLE TRANSMISSION, ENGINE, OR THE LIKE.]. 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 6680009731263 contains an unknown precious metal.
This NSN is associated to Schedule B 9029900000: parts and accessories for revolution counters, production counters, taximeters, odometers, pedometers and the like. 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 Aug 01, 2025.