National Stock Number
3040-01-264-5603
National Stock Number (NSN) 3040-01-264-5603, or NIIN 012645603, (ring,rod,piston) was assigned October 2, 1987 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 4 manufacturer part numbers associated with this NSN. One 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, 2 suppliers are deemed design controlled or valid supply parts.
This part number has not been procured by the US Government in over 5 years, with the most recent procurement date of May 10, 2018. There have been 11 contracts issued for this part number, with 11 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 5 different suppliers. The last contract numbers awarded were: SPE7LX18V0005, SPE7L018V5280, SPE7L018V5085, SPE7L318V1185, SPE7L318V1185. The total value of the awarded contracts has been US$ 284.09.
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$ 97. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Aug 02, 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) 39704. [A CIRCULAR, SINGLE OR MULTIPIECE ITEM, METALLIC OR NONMETALLIC IN COMPOSITION. DESIGNED FOR SEALING, WIPING AND/OR SUPPORTING A ROD, PISTON. IT MAY HAVE DIFFERENT SECTIONAL SHAPES.]. 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 3040012645603 does not contain precious metals.
This NSN is associated to Schedule B 8409100080: parts for spark-ignition or compression-ignition internal combustion piston engines for use in aircraft except civil. The Schedule B End Use is listed as engines and turbines for military aircraft. NAICS classification category 336412: aircraft engine and engine parts manufacturing.
This information was last updated on Jul 01, 2025.