5820-00-677-1350 (150A871H01)
NSN 5820-00-677-1350 (NIIN 00-677-1350) is a ringing circuit in Federal Supply Class 5820, Radio And Television Communication Equipment, Except Airborne. Manufacturer part number 150A871H01 (Westinghouse Electric Corp, CAGE 79500); also referenced as 150A871H01REVD (Northrop Grumman Systems Corporation).
NIIN assigned January 1963; DEMIL Q (Commerce Control List); unit of issue EA (each), $162.81 gov standard price; ships at 0.1 lb / 0.002 cu ft.