| Name | N | Name for GAP Link Property | Text |
| U1 | U1 | Degree of Freedom, false = Not Linked, true = fixed, else provide direction parameters for specific link type | Generic Data |
| U2 | U2 | Degree of Freedom, false = Not Linked, true = fixed, else provide direction parameters for specific link type | Generic Data |
| U3 | U3 | Degree of Freedom, false = Not Linked, true = fixed, else provide direction parameters for specific link type | Generic Data |
| R1 | R1 | Degree of Freedom, false = Not Linked, true = fixed, else provide direction parameters for specific link type | Generic Data |
| R2 | R2 | Degree of Freedom, false = Not Linked, true = fixed, else provide direction parameters for specific link type | Generic Data |
| R3 | R3 | Degree of Freedom, false = Not Linked, true = fixed, else provide direction parameters for specific link type | Generic Data |
| dj2 | D2 | The distance from the J-End of the link to the U2 shear spring. This item applies only when DOF(U2) = Not Linked. | Number |
| dj3 | D3 | The distance from the J-End of the link to the U3 shear spring. This item applies only when DOF(U3) = Not Linked. | Number |
| Mass | M | Mass of link in units consistent with SAP Model | Number |
| RtInrt1 | I1 | The rotational inertia of the link about its local 1 axis. [ML2] | Number |
| RtInrt2 | I2 | The rotational inertia of the link about its local 2 axis. [ML2] | Number |
| RtInrt3 | I3 | The rotational inertia of the link about its local 3 axis. [ML2] | Number |
| Length | L | The link property is defined for this length in a line (frame) spring. | Number |
| Area | A | The link property is defined for this area in an area spring. | Number |
| Stiffness Opts | S | ***NOT IMPLEMENTED*** Define Linear and Non-Linear Stiffness Options. Contact support if required | Generic Data |
| Notes | N | Notes | Text |