| Designation |
Thrust - Newton Seconds (NS) |
Thrust - Pound/Seconds |
| F |
40 - 80 |
9 - 18 |
| G |
80 - 160 |
18 - 36 |
| H |
160 - 320 |
36 - 72 |
| I |
320 - 640 |
72 - 144 |
| J |
640 - 1280 |
144 - 288 |
| K |
1,280 - 2,560 |
288 - 576 |
| L |
2,560 - 5,120 |
576 - 1152 |
| M |
5,120 - 10,240 |
1,152 - 2,304 |
| N |
10,240 - 20,480 |
2,304 - 4,608 |