FKM (Viton) O-ring 12mm ID x 2mm CS FKM (Viton) 75 ShA
KOKS - KO102399 - Oring shaft sleeve for Sihi pump 12/02 - KOKSparts.com
O-ring 144.3x5.7 FKM O-Rings - 80 Shore A - BrownFKM - FPM - Viton Brown
O ring zero ring 6.75 X 1.78 Viton FPM FKM 80 shore quantity 2/10/25/50/100... | eBay
BUSY-CORNER 382 Pieces FKM O Ring Kit, Fluorocarbon 75A, 30 Inch Sizes, Chemical Resistant and Oil Resistance O-Rings for Various Chemicals, Hydraulic, Cylinders, Plumbing (Yellow Box, Brown Orings): Amazon.com: Industrial & Scientific