210 Quad Ring (X-Ring), 3/4ID x 1OD, 70 Duro, Round, Black
10pcs A Lot Quad Ring 37.47*5.33 Mm X-ring As-325 Nbr70 X-ring Seals Idxcs 37.47 To 81.92 Nitrile Rubber Hydraulic Parts - Oil Seals & Other Seals - AliExpress
Replacement Quad Ring for #1414 Hewland Seal Kit - Pegasus Auto Racing Supplies
quad-ring brand seal
MCFARLANE QUAD RING 1100 - NOSE STRUT SEAL - Aviation Parts Inc.