| Manufacturer Part Number | Manufacturer | Series | Shaft Size | Number of Turns | |
|---|---|---|---|---|---|
| 2126 ( Active ) |
TT Electronics/OptekTechnology | 2126 | 0.250" (6.35mm) | 10 | |
| 2601 ( Active ) |
TT Electronics/OptekTechnology | 2600 | 0.125" (3.18mm) | 15 | |
| 2606 ( Active ) |
TT Electronics/OptekTechnology | 2600 | 0.250" (6.35mm) | 20 | |
| 2606S ( Active ) |
TT Electronics/OptekTechnology | 2600 | 0.250" (6.35mm) | 15 | |
| 2607 ( Active ) |
TT Electronics/OptekTechnology | 2600 | 0.250" (6.35mm) | 20 | |
| 2607S ( Active ) |
TT Electronics/OptekTechnology | 2600 | 0.250" (6.35mm) | 20 | |
| 2641 ( Active ) |
TT Electronics/OptekTechnology | 2640 | 0.125" (3.18mm) | 15 | |
| 2646 ( Active ) |
TT Electronics/OptekTechnology | 2640 | 0.250" (6.35mm) | 20 | |
| 2647 ( Active ) |
TT Electronics/OptekTechnology | 2640 | 0.250" (6.35mm) | 20 | |
| 2694 ( Active ) |
TT Electronics/OptekTechnology | 2694 | 0.236" (6.00mm) | 10 |
