O-Ring for Bearing Carrier, Buna, for Durco/Flowserve Mark 3 Group 2, P/N 2C496-BUNA (Summit), X-Ref# GL223-NBR, X-Ref# BY53874V-NBR, also fits Summit Clark 3 Group 2 and others. (Item shown in picture is an example only and may not be actual product.)
O-Ring for Bearing Carrier, Buna, for Durco/Flowserve Mark 3 Group 2, X-Ref# GL2
$4.00Price