| Text | Name | Spring Property Name |
| Integer | Spring Curve x | Spring Curve in x direction |
| Unit Number Force Per Length | Stiffness x | Stiffness in x direction |
| Integer | Spring Curve y | Spring Curve y |
| Unit Number Force Per Length | Stiffness y | Stiffness in y direction |
| Integer | Spring Curve z | Spring Curve z |
| Unit Number Force Per Length | Stiffness z | Stiffness in z direction |
| Integer | Spring Curve xx | Spring Curve xx |
| Unit Number Rotational Stiffness | Stiffness xx | Stiffness in xx direction |
| Integer | Spring Curve yy | Spring Curve yy |
| Unit Number Rotational Stiffness | Stiffness yy | Stiffness in yy direction |
| Integer | Spring Curve zz | Spring Curve zz |
| Unit Number Rotational Stiffness | Stiffness zz | Stiffness in zz direction |
| Generic | Spring Matrix | Spring Matrix |
| Unit Number Length | Lockup -ve | Lockup -ve |
| Unit Number Length | Lockup +ve | Lockup +ve |
| Unit Number Force Per Length | Coeff. of Friction | Coefficient of Friction |
| Generic | Damping Ratio | [Optional] Damping Ratio (Default = 0.0 -> 0%) |