Style: Type 21 Refrigeration Series
Dimensions:
Shaft: 1-1/2" (38.1 mm)
Seat Bore: 53.5 mm
Seat Thickness: 10.9 mm
Working Length: 39.0 mm (As measured from the rotating face to the back of the spring, under normal compression.)
Materials:
Rubber Parts: HNBR (Hydrogenated Nitrile Butadienne Rubber)
Faces: Stainless Steel fitted with HNBR "O" Ring
Typical Applications: Refrigeration seals