National Stock Number
6635-00-945-1218
National Stock Number (NSN) 6635-00-945-1218, or NIIN 009451218, (transducer,ultrasonic) was assigned February 18, 1966 in the Federal Logistics Information System (FLIS). This NSN does not replace any other NSNs.
There are 15 manufacturer part numbers associated with this NSN. 11 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 12 suppliers. Today, 6 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 3 suppliers are deemed design controlled or valid supply parts.
This part number has been procured by the US Government within the last year, but shows no recent (last 90 days) procurement activity. There have been 20 contracts issued for this part number, with 20 awards given. There is heavy competition for this NSN. The US Government has awarded contracts to 12 different suppliers. The last contract numbers awarded were: SPE4A625PP020, SPE4A625P3382, SPE4A624V4459, SPE4A623PYX68, SPE4A123P1416. The total value of the awarded contracts has been US$ 41,770.44.
This NSN is somewhat common among different platforms, belonging to 3 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 May 02, 2006, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) The Government does not have adequate data, lacks rights to data, or both, needed to purchase this part from additional sources. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 77777. 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 6635009451218 contains an unknown precious metal.
This information was last updated on Aug 01, 2025.