National Stock Number
2815-01-628-5994
National Stock Number (NSN) 2815-01-628-5994, or NIIN 016285994, (piston and ring assembly) was assigned June 3, 2014 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 2 manufacturer part numbers associated with this NSN. One 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, 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 20 contracts issued for this part number, with 17 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: SPE7L222F3366, SPE7L222F3186, SPE7L222F0534, SPE7L222F0533, SPE7L222F0536. The total value of the awarded contracts has been US$ 160,468.06.
This NSN is fairly common among different weapons systems, belonging to 19 different platforms.
There has been a small amount of demand for this national stock number. The demand for this NSN originated from less than 5 countries. The 24 month forecast from the US Government for this part number has high volatility, with an estimated forecasted value of US$ 13,686. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Aug 05, 2014, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. The data needed to produce this item from additional sources is not physically available. Valid AMCs: 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 53569. [AN ITEM CONSISTING OF A PISTON, A CYLINDRICAL PIECE WHICH MOVES OR RECIPROCATES IN A CYLINDER UNDER FLUID PRESSURE, AND TWO RING(S, PISTON. IT MAY INCLUDE ADDITIONAL COMPONENTS SUCH AS COLLAR(S), SPRING(S) AND 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 2815016285994 does not contain precious metals.
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.