| Manufacturer | Part Number | Description |
|---|---|---|
| Corning Frequency | M579-xx | Ovenized Oscillators |
| Corning Frequency | C1250xxxxxxxxxxx | (C1250 Series) Oscillator |
| Corning Frequency | C1250C505T155SV0x0Rxxx | (C1250 Series) Oscillator |
| Corning Frequency Control | MC380A2 | Oscillator |
