| Size | STERLING Model | Tunstall Capsule # | Type |
| ½" | 5 Outboard | TCST-2301 | Thread |
| ½" | 7 | TCST-2302 | Thread |
| ½" | 421 | TCST-2303 | Thread |
| ½" | 434, 435, 6A36 | TCST-2304 | Thread |
| ½" | 7-50, 7-50A, 7-53, 7-70L, 7-70R, 7-70S | TCST-2305 | Thread |
| ¾" | 7-52, 7-53, 7-53A, 7-73S | TCST-2306 | Thread |
| ½" | M7-50A | TCST-2307 | Thread |
| ¾" | M7-53A | TCST-2308 | Thread |
| ½" | T Ser. 71-44 adj. outlet stwy |
TCST-2309 | Thread |
| ½" | 7-40 & 7-80 Vertical | TCST-2310 | Thread |
| ¾" | 6 | TCST-2311 | Thread |
| 1" | 74C F&T | TCST-2312 | Thread |
| 1-¼" | 75C F&T | TCST-2313 | Thread |
| 1-½" | 78D F&T | TCST-2314 | Thread |
| 2" | 80B F&T | TCST-2315 | Thread |