National Stock Number
3120-00-955-5506
National Stock Number (NSN) 3120-00-955-5506, or NIIN 009555506, (washer,thrust,free) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NSN does not replace any other NSNs.
There are 3 manufacturer part numbers associated with this NSN. 2 of those 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, there are no suppliers that are deemed design controlled or valid supply parts. ISO Group has several sources of supply for this NSN.
This part number is actively being procured by the US Government, with procurement history within the last 90 days. There have been 19 contracts issued for this part number, with 18 awards given. There is heavy competition for this NSN. The US Government has awarded contracts to 11 different suppliers. The last contract numbers awarded were: SPE4A625PY337, SPE4A723V2595, SPE4A723V2595, SPE4A621V115R, SPE4A620PF198. The total value of the awarded contracts has been US$ 793,245.77.
This NSN is somewhat common among different platforms, belonging to 6 different weapons systems.
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 Dec 06, 2013, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) The Government has unlimited rights to the technical data, and the data package is complete. Valid AMCs: 1 and 2.
This NSN is assigned to Item Name Code (INC) 77777. 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 3120009555506 does not contain precious metals.
This information was last updated on Jul 01, 2025.