New old stock 

These may be of some help to you,  take a look.

this is selection NPN and PNP power darlington transistors

1.  SK3042 / 131346 switching SCR for commutating

2. SK3103A / ECG396  NPN Si transistor

3. SK3027  / 2N 3055 / ECG130 

4. SK3710 / ECG238 

5.SK3859 / ECG/NTE 252

6. SK3948 /  ECG/NTE 247

7.  TO-3 transistor mount connector - hardware included   2 ea 

loc =  BX  G A1