5961-00-985-3972 (2N1041-2)
NSN 5961-00-985-3972 (NIIN 00-985-3972) is a transistor in Federal Supply Class 5961, Semiconductor Devices And Associated Hardware — an active semiconductor device with three or more electrodes. Manufacturer part number 2N1041-2 (Texas Instruments Incorporated, CAGE 01295); also referenced as MIL-PRF-19500, MILS19500 (Military Specifications); 2N2559 (Electronic Industries Association).
Key specs: hermetically sealed case; full characteristics table below. NIIN assigned January 1962; DEMIL A (none required); ESD/EMI-sensitive; export Schedule B 8541.50.0080. Supersedes 5961-00-954-2158 (1966); related NSN 5961-00-082-4137.