Style: Type 21E inch/imperial series
Dimensions:
Shaft: 1-7/8" (47.6 mm)
Seat Bore: 66.7 mm
Seat Thickness: 12.7 mm
Working Length: 38.1 mm (As measured from the rotating face to the back of the spring, under normal compression.)
Materials:
Rubber Parts: NBR Rubber
Faces: Standard Ceramic