National Stock Number
5821-00-431-9820
National Stock Number (NSN) 5821-00-431-9820, or NIIN 004319820, (radio set) was assigned May 5, 1971 in the Federal Logistics Information System (FLIS). 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 unique to one weapons system.
There has been very little demand for this national stock number. The demand for this NSN originated from less than 5 countries. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Apr 02, 2019, this NSN's acquisition method was noted as: Not established. Not established.
This NSN is assigned to Item Name Code (INC) 19533. [A FIXED NUMBER OF COMPONENTS AND/OR ITEMS, NOT ALL HAVING THE SAME BASIC NAME, UTILIZING RADIO FREQUENCY ELECTROMAGNETIC WAVES IN SPACE TO CARRY TWO-WAY INTELLIGENCE. EXCLUDES:RADAR SET; FACSIMILE SET; RECEIVING SET, RADIO; RECEIVER-TRANSMITTER, RADIO; AND RECEIVING SET, TELEVISION.]. This item does not have a nuclear hardened feature or any other critical feature 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 5821004319820 contains an unknown precious metal.
This information was last updated on Jul 01, 2025.