Mechanical Seal 4 - Type 21E x 1/2"

Style: Type 21E inch/imperial series

Dimensions:
Shaft: 1/2" (12.7 mm)
Seat Bore: 25.4 mm
Seat Thickness: 7.9 mm
Working Length: 18.2 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: None given