| 3512 Products and Part Numbers |
| 10 Hz/3dB 50-contact Ribbon-socket 5950-Z1A 1850-A1D/1854-A2A |
3512-A1A |
| None 50-contact Ribbon-socket 5950-Z1A 1850-A1D/1854-A2A |
3512-A1B |
| 10 Hz/3dB 50-pin "D" Plug 5934-Z1A 1850-E1D |
3512-E1A |
| None 50-pin "D" Plug 5934-Z1A 1850-E1D |
3512-E1B |