MIL-S-19500/176 Revision B, December 13, 1971
SEMICONDUCTOR DEVICE, TRANSISTOR, NPN, SILICON, POWER TYPES 2N1047A, 2N1048A, 2N1049A AND 2N1050A
Includes all amendments and changes through Validation Notice 3, July 7, 2011
Additional Comments: INACTIVE FOR NEW DESIGN
This specification covers the detail requirements for NPN, power, silicon transistors.
See figure 1 (TO-57).