National Stock Number
5310-01-207-8591
National Stock Number (NSN) 5310-01-207-8591, or NIIN 012078591, (washer set,spring tension,matche) was assigned May 6, 1985 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. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by one supplier. 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 somewhat common among different platforms, belonging to 2 different weapons systems.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Aug 02, 2005, 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 rights to use the data needed to purchase this part from additional sources are not owned by the Government and cannot be purchased. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 31627. [A GROUPING OF TWO OR MORE IDENTICAL OR SIMILAR WASHER (1), SPRING TENSION WHICH HAVE BEEN MATCHED TOGETHER TO MEET A SPECIFIC DEFLECTED HEIGHT TOLERANCE WHEN A PREDETERMINED LOAD COMPRESSION IS AXIALLY APPLIED. INCLUDES ONLY THOSE WASHERS DESIGNED AND TESTED TO ACCOMPLISH A SPECIFICALLY DESIRED FUNCTION.]. This item does not have a nuclear hardened feature but does have other critical feature(s) 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 5310012078591 does not contain precious metals.
This information was last updated on May 01, 2025.