National Stock Number (NSN) 2805-00-288-3650, or NIIN 002883650, (lock,valve spring retainer) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 2 stock numbers: 2805009222362, 2990003627504.
There are 7 manufacturer part numbers associated with this NSN. 4 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 7 suppliers. Today, 4 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 2 suppliers are deemed design controlled or valid supply parts. ISO Group has several sources of supply for this NSN.
This part number has not been procured by the US Government in over a year. There have been 25 contracts issued for this part number, with 65 awards given. There is heavy competition for this NSN. The US Government has awarded contracts to 14 different suppliers. The last contract numbers awarded were: SPE7L524V0422, SPE7L522V1337, SPE7L520V1239, SPE7L019V4795, SPM7LX15D0001. The total value of the awarded contracts has been US$ 12,960.82.
This NSN is very common among different weapons systems, belonging to 56 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. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on May 29, 2020, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) The data or the rights to use the data needed to purchase this part from additional sources are not owned by the Government and it has been determined that it is uneconomical to purchase them. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 15883. [A METAL ITEM DESIGNED FOR THE PURPOSE OF SECURING AN ENGINE OR COMPRESSOR VALVE AND POSITIONING THE VALVE SPRING OR VALVE SPRING RETAINER. EXCLUDES:COTTER PINS, STRAIGHT PINS, KEYS AND WASHERS.]. 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 2805002883650 contains an unknown precious metal.
This NSN is associated to Schedule B 8710000090: parts of armored fighting vehicles,motorized, whether or not fitted with weapons. The Schedule B End Use is listed as military trucks, armored vehicles, etc.. NAICS classification category 336992: military armored vehicle, tank, and tank component manufacturing.
This information was last updated on Jul 01, 2025.