National Stock Number
4820-00-071-2879
National Stock Number (NSN) 4820-00-071-2879, or NIIN 000712879, (head,safety,pressure relief) was assigned February 2, 1972 in the Federal Logistics Information System (FLIS). NIIN 000712879 was cancelled on September 2, 1997, with a cancelled status of "Item is Cancelled WITHOUT Replacement." There is no known replacement specified for this stock number. 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) 28139. [AN ITEM OF VARYING SHAPE AND SIZE CONSISTING OF A METALLIC BODY WHICH INCLOSES A NONREUSABLE METALLIC OR NONMETALLIC DISK(S), WHICH IS DESIGNED AND CALIBRATED TO BURST AT A GIVEN PRESSURE. IT MAY BE USED INDEPENDENTLY, OR IN CONJUNCTION WITH RELIEF VALVES TO RELIEVE OVERPRESSURE, AND TO PROTECT RELIEF VALVE(S) FROM CORROSIVE CONDITIONS. EXCLUDES VALVE, SAFETY RELIEF AND PLUG, FUSIBLE. FOR ITEMS FURNISHED WITH A DISK, SEE HEAD AND DISK, SAFETY, PRESSURE RELIER.]. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 4820000712879 contains an unknown precious metal.
This information was last updated on Aug 01, 2025.