5962-00-904-2543 (2558142-1REVB)
NSN 5962-00-904-2543 (NIIN 00-904-2543) is catalogued in Federal Supply Class 5962, Microcircuits, Electronic — a microcircuit specifically designed to generate, modify, or process electrical signals which operate with two distinct or binary states. Manufacturer part number 2558142-1REVB (Naval Sea Systems Command, CAGE 53711); also referenced as 2558142-1 (Navair And Navsea Managed Original); JK11034 (Telcom Semiconductor Inc).
Key specs: 1 flip-flop, j-k; can glass and metal enclosure; hermetically sealed, monolithic, negative outputs, positive outputs; 4 V maximum power source voltage; 0 to 70 °C operating range; full characteristics table below. NIIN assigned June 1966; DEMIL Q (Commerce Control List); ESD/EMI-sensitive; unit of issue EA (each), $27.41 gov standard price; export Schedule B 8542.90.0000.