National Stock Number
5360-00-664-0685
National Stock Number (NSN) 5360-00-664-0685, or NIIN 006640685, (spring,helical,extension) was assigned January 1, 1961 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There is only one manufacturer part number associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 2 suppliers. 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 5 years.
This NSN is very common among different weapons systems, belonging to 30 different platforms.
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) 04227. [AN OPEN- OR CLOSE-COILED SPRING WOUND IN VARIOUS FORMS AND FROM DIFFERENT SHAPES AND TYPES OF MATERIALS AND FINISHED AT THE ENDS, DESIGNED IN SUCH A WAY AS TO PROVIDE RESISTANCE TO PULLING FORCES. THE CLOSE-COILED SPRINGS MAY INCORPORATE THE SPECIAL FEATURE OF INITIAL TENSION CREATED BETWEEN THE COILS WHEN WOUND, REQUIRING AN INITIAL LOAD TO BE APPLIED TO SEPARATE THEM. EXCLUDES:SPRING,REINFORCING HOSE.]. 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 5360006640685 contains an unknown precious metal.
This information was last updated on Aug 01, 2025.