This specification covers the performance requirements for PNP, Darlington, silicon, power, 2N6051 and 2N6052 transistors. Three levels of product assurance (JAN, JANTX and JANTXV) are provided for each encapsulated device as specified in MIL-PRF-19500/501. The device package outlines are as follows: TO-3 for all encapsulated device types.