Ideal Vacuum | ISO 63 One Sided Centering Ring Stainless Steel with Viton O- Ring, NW-63 Vacuum Flange Size, Typically Used With 2.5 Inch O.D. (63.50 mm) Tubing
22.5mm ID x 27.5mm OD x 2.5mm thick O-ring. Buna-70. Quan 2. | eBay
O-Ring, 52 x 2.5mm EPDM (PMP-400)
uxcell Nitrile Rubber O-Rings, 75mm OD 70mm ID 2.5mm Width, Metric Sealing Gasket, Pack of 10: Amazon.com: Industrial & Scientific
10mm x 15mm x 2.5mm O-Ring (8 pieces): Amazon.com: Industrial & Scientific
O'Ring, Viton, 45 X 2.5 mm - IBERICA VACUUM
22.5X2.5 Oring 22.5mm ID X 2.5mm CS FKM FPM Fluorocarbon O ring
V1000-2.5X52 Metric O-rings
Metric Buna O-rings 22.5 x 2.5mm Minimum 20 pcs - OringsandMore
8mm x 2.5mm (13mm OD) Nitrile O-Rings – Totally Seals
O-Ring, 67.5 x 2.5 mm - Polyurethane, 320355 – Chemtech Scientific Incorporated