National Stock Number (NSN) 2815-01-066-4747, or NIIN 010664747, (tappet,engine poppet valve) was assigned October 12, 1978 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 1 stock number, 2815012898398.
There are 3 manufacturer part numbers associated with this NSN. 2 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.
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 8 different suppliers. The last contract numbers awarded were: SPE7LX24FAQFA, SPE7LX21FB1J9, SPE7LX21FAL3Y, SPE7LX21FAK3J, SPE7L519V2545. The total value of the awarded contracts has been US$ 21,968.93.
This NSN is somewhat common among different platforms, belonging to 5 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 20, 2008, 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) 22199. [A CYLINDRICALLY SHAPED METAL ITEM DESIGNED TO TRANSMIT INTERMITTENT MOTION FROM THE CAM LOBE ON A SHAFT OR CAM RING, TO THE ENGINE POPPET VALVE. IT MAY BE MECHANICALLY OR HYDRAULICALLY OPERATING, AND MAY INCLUDE ADJUSTING DEVICES.]. 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 2815010664747 contains an unknown precious metal.
This NSN is associated to Schedule B 8409998000: parts for compression-ignition internal combustion piston engines (diesel), nesoi. The Schedule B End Use is listed as industrial engines. NAICS classification category 333618: other engine equipment manufacturing.
This information was last updated on Aug 01, 2025.