4.25 in, Max.
Range -35 Degrees to 220 Degrees F, For Groove Width 0. Rod Seal,3 1/2 IDx4 1/4 OD,3/8 Wx5/8 H Pressure 5,000 psi, Inside Dia.4 1/4 in, Width 3/8 in, Height 5/8 in, Color Black Rod Seal, Seal Type B Polyseal, Seal Material Urethane, For Rod Dia.0 fps, Max.