National Stock Number
4820-01-355-7390
National Stock Number (NSN) 4820-01-355-7390, or NIIN 013557390, (valve,relief,pressure and temperature) was assigned March 22, 1992 in the Federal Logistics Information System (FLIS). NIIN 013557390 was cancelled on February 2, 2002, with a cancelled status of "Item is Cancelled as Duplicate." This NSN was replaced by NSN 4820011688346. 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.
This NSN is assigned to Item Name Code (INC) 16996. [A VALVE DESIGNED TO RELEASE UNDER EXCESSIVE PRESSURE AND/OR EXCESSIVE TEMPERATURE BY OPENING AT A PREDETERMINED PRESSURE AND/OR TEMPERATURE. THERMOSTATICALLY OPERATED VALVES CLOSE WHEN THE PRESSURE IS RELIEVED OR THE TEMPERATURE IS REDUCED. FUSIBLE PLUG VALVES REQUIRE REPLACEMENT OF THE PLUG. SEE ALSO VALVE, SAFETY RELIEF AND VALVE, REGULATING. TEMPERATURE.]. 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 4820013557390 does not contain precious metals.
This information was last updated on May 01, 2025.