ZMSCH2.5X37 - Value Collection - 37mm ID x 42mm Od Buna-N O-Ring 2.5mm Thick, Round Cross Section, Durometer - /Pk - 6in. x 4in. x 0.13in. - 100/PK - CA of 2 PK
FKM O-ring 32 x 2.5mm Minimum 2 pcs - OringsandMore
Easy Splice 0.354" +/- .014" (9.0+/-.37 MM) - 75 Duro - Brown FKM O-Ring Cord - Eagle Elastomer Inc.
37mm ID x 44mm OD x 3.5mm CS Nitrile Butadiene Rubber O-Ring 20 Pcs – Gavantools
10 x Flexible Soft Rubber O Ring Seal Washers Replacement Red 37mm x 3mm # | eBay
Amazon.com: Unifizz Silicone O - Ring, OD 37mm ID 34mm Width 1.5mm Industrial O - Ring for Automotive, Mechanic, Red,30PCS : Automotive