| SIZE: | GSM40 = Actuator Frame Size 99,1 mm |
| STROKE: | 18 = Stroke 457 mm |
| LEAD: | 01 = 2.54 mm per rotation |
| CONNECTORS: | I = Standard M23 style |
| MOUNTING: | F = Front flange |
| ROD_END: | A = Male, metric thread |
| OPTIONS: | SR = Splined main rod |
| OPTIONS: | XM = Special Option |