diameter = 5.693 (page 1 / 1)

75115544 AS568-161 5-1/2" ID x 5-11/16" OD x 3/32" ENCAPSULATED SILICONE ORANGE O- from Dichtomatik
75115885 AS568-161 5-1/2" ID x 5-11/16" OD x 3/32" ENCAPSULATED VITON BLACK O-RING from Dichtomatik
CR Seals (SKF) - 1329 - Radial Shaft Seal And Sleeve Kit, Nitrile Rubber, 3.875 in. ID, 5.693 in. OD - RS
EPDM O-Ring Dash161, PK 2
O-RING,70 SHORE A,5-1/2
O-RING,BUNA N,DASH 161,5-11/16
O-RING,BUNA N,DASH 161,5-11/16
O-RING,DASH 161,VITON,0.1 IN.,PK2
O-RING,DASH 161,VITON,0.1 IN.,PK2
O-RING,NOMINAL INSIDE 5-1/2
O-RING,SILICONE,DASH 161,5-11/16