National Stock Number
4470-00-926-9657
National Stock Number (NSN) 4470-00-926-9657, or NIIN 009269657, (seal ring,nuclear coolant system) was assigned April 13, 1967 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 2 suppliers. 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.
This part number has not been procured by the US Government in over 5 years.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Apr 02, 1991, this NSN's acquisition method was noted as: Suitable for competitive acquisition for the first time. (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) 22190. [AN ITEM DESIGNED TO BE SEAL WELDED TO SEGMENTS ON COMPONENTS OF A NUCLEAR POWER PLANT COOLANT SYSTEM, SUCH AS VALVES, DEMINERALIZERS, HEAT EXCHANGERS, PUMPS, AND THE LIKE, TO FORM AN EFFICIENT SEAL AGAINST THE LEAKAGE OF THE PRIMARY COOLANT TO THE AMBIENT. EXCLUDES:SEAL RING, METAL.]. 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 4470009269657 contains an unknown precious metal.
This information was last updated on Aug 01, 2025.