1.5 Metal Flat O Rings Gold or Silver Nickel Color Round - Etsy
Viton O-Ring - 4mm Wide 44mm ID - Pack of 1 - Walmart.com
Amazon.com: Sturdy Alloy Spring O Ring,Spring Clip Round Carabiner,Metal Circle Trigger Rings Firm Clasp Snap Hook Key Ring Buckle Fastener,Range 3/4 inch to 2 inch Size (Silver, 44mm(1.73"))
uxcell Nitrile Rubber O-Rings 44mm OD 41mm ID 1.5mm Width, Metric Sealing Gasket, Pack of 50 - O Ring Seals - Amazon.com
uxcell Nitrile Rubber O-Rings 44mm OD 36mm ID 4mm Width, Metric Nitrile Rubber Sealing Gasket, Pack of 10: Amazon.com: Industrial & Scientific
44mm ID x 52mm OD x 4mm thick O-ring. Buna-70. Quan 1. | eBay
44mm x 4mm (52mm OD) Nitrile O-Rings – Totally Seals
40mm ID x 44mm OD x 2mm VMQ Silicone O-Ring 20 Pcs – Gavantools