5961-00-890-7155 (HD4568)
NSN 5961-00-890-7155 (NIIN 00-890-7155) is a diode semiconductor device in Federal Supply Class 5961, Semiconductor Devices And Associated Hardware — a two electrode semiconductor device having an asymmetrical voltage - current characteristic. Manufacturer part number HD4568 (Stellant Systems Inc, CAGE 73293); also referenced as HD6819 (Raytheon Company).
Key specs: hermetically sealed case; full characteristics table below. NIIN assigned January 1962; DEMIL Q (Commerce Control List); ESD/EMI-sensitive; export Schedule B 8541.10.0070.