Patent ID: 8882422

Claim:
A seal comprising: at least one integral attachment arrangement, wherein the at least one attachment arrangement comprises: at least one attachment feature; and at least one locking feature, wherein the at least one attachment feature is configured and arranged to interdigitate with features of another component in a first orientation and to lock into the other component in a second rotationally displaced orientation from the first orientation, engaging the locking feature in the second rotationally displaced orientation, wherein the at least one attachment feature comprises at least one partial screw thread, a peripheral length of the at least one partial screw thread being less than the total length of the periphery of the at least one attachment feature, and wherein the at least one locking feature comprises a distorted shape to the attachment feature at the end distal to the seal, the distorted shape comprising two semi-circular portions that are angled relative to a plane of the seal and to each other.