National Stock Number
4470-00-157-2104
National Stock Number (NSN) 4470-00-157-2104, or NIIN 001572104, (seal ring,nuclear coolant system) was assigned January 26, 1973 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are no manufacturer part numbers associated to this NSN.
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 4470001572104 does not contain precious metals.
This NSN is associated to Schedule B 8419909550: parts, nesoi, of machinery, plant or laboratory equipment for the treatment of materials by a process involving a change of temperature, nesoi. The Schedule B End Use is listed as industrial machines, other. NAICS classification category 333999: all other miscellaneous general purpose machinery manufacturing.
This information was last updated on Apr 01, 2024.