Ruland MCLX-15-14-F, 15mm X 14mm Rigid Coupling, Black Oxide Steel, One-Piece Clamp Style, 34mm OD, 50mm Length

Ruland LVO-OF-MCL-10E-AN, 5/8" Mountable One-Piece Shaft Collar With Clamping Lever, Anodized Aluminum Collar With Zinc Lever, 34mm OD, 13mm Width

Ruland MCL-34-SS, 34mm One-Piece Shaft Collar, 303 Stainless Steel, Clamp Style, 57mm OD, 15mm Width

Dresser 0038-0006-011 1.900 CPLG .165X5 P27 A/C Coupling