ACORN O-Ring: Fits Acorn Brand, For Air-Trol(R)/Penal-Trol(R), 5/8 in x 3/4 in x 1/16 in Size, 10 PK - 2EVP5|0401-016-001 - Grainger
FKM O-ring 10 x 3.5mm Minimum 4 pcs - OringsandMore
Viton FKM O'ring R19 - 24,6mm x 3,60mm
50pcs 10x3.1 10*3.1 11x3.1 11*3.1 12x3.1 12*3.1 OD*Thickness 3.1mm Green Fluoro FKM Fluorine Rubber O Ring Seal O Ring Gasket|ring gasket|o ring gasketrubber o-ring - AliExpress
O-ring ø 65,10 X 3,53 - Hidraflex
O-ring 10,5X1,5 | Dal Soggio Race
Fragola 495105-BL #10 x 3/4-16 (#8) Radius O-Ring Fitting Black - KarlKustoms.com