National Stock Number
4820-01-331-6134
National Stock Number (NSN) 4820-01-331-6134, or NIIN 013316134, (valve,safety relief) was assigned December 21, 1990 in the Federal Logistics Information System (FLIS). NIIN 013316134 was cancelled on April 2, 1996, with a cancelled status of "Item is Cancelled as Duplicate." This NSN was replaced by NSN 4820011074662. This NSN does not replace any other NSNs.
There are no manufacturer part numbers associated to this NSN. ISO Group has several sources of supply for 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) 05488. [A VALVE DESIGNED TO AUTOMATICALLY RELEASE EXCESSIVE PRESSURES. IT IS ACTUATED BY STATIC PRESSURE UPSTREAM OF THE VALVE AND IS USED AS A SAFETY VALVE OR RELIEF VALVE, AND MAY BE SET TO CLOSE AT A PREDETERMINED PRESSURE. IT IS NOT DESIGNED FOR REGULATION OF CONTINUOUSLY FLUCTUATING LOADS. IT MAY BE INLINE OR CARTRIDGE (MANIFOLD) DESIGN. EXCLUDES:VALVE (1), RELIEF, PRESSURE AND TEMPERATURE.]. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 4820013316134 does not contain precious metals.
This information was last updated on Jun 01, 2025.