National Stock Number (NSN) 5340-00-367-1466, or NIIN 003671466, (seat,helical compression spring) was assigned January 1, 1961 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 1 stock number, 5340012961658.
There are 5 manufacturer part numbers associated with this NSN. 2 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 23, 2018. There have been 2 contracts issued for this part number, with 2 awards given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPE5E018V3842, SPE5E714V2477, SPE5E714V2477. The total value of the awarded contracts has been US$ 887.31.
This NSN is fairly common among different weapons systems, belonging to 14 different platforms.
There has been very little 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 Apr 12, 2013, 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 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) 24328. [A CIRCULAR ITEM, USUALLY HAVING A FLAT OR GROOVED FLANGE, BOSS(ES), AND/OR COUNTERBORE, DESIGNED TO ACCOMMODATE THE END OF THE SPRING. IT IS USED TO POSITION THE SPRING BUT DOES NOT ENCASE THE SPRING OR RESTRAIN LATERAL MOTION. IT MAY BE USED IN CONJUNCTION WITH A RETAINER,HELICAL COMPRESSION SPRING. EXCLUDES:WASHER (AS MODIFIED), SEAT,BALL SOCKET, AND HOLDER,SPRING. SEE ALSO ROTOR,ENGINE POPPET VALVE.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no information in the HMIRS; however, the NSN is in an FSC in Table II of Federal Standard 313 and an MSDS may be required by the user. The requirement for an MSDS is dependent on a hazard determination of the supplier or the intended end use of the product. NSN 5340003671466 does not contain precious metals.
This NSN is associated to Schedule B 8207901500: files and rasps including rotary, interchangeable, and parts. The Schedule B End Use is listed as photo, service industry machinery. NAICS classification category 333515: cutting tool and machine tool accessory manufacturing.
This information was last updated on Aug 01, 2025.