Style: Type 21E inch/imperial series
Dimensions:
Shaft: 5/8" (15.9 mm)
Seat Bore: 31.8 mm
Seat Thickness: 10.3 mm
Working Length: 22.2 mm (As measured from the rotating face to the back of the spring, under normal compression.)
Materials:
Rubber Parts: NBR Rubber
Faces: Standard Ceramic
Typical Applications: IBC, Mono