This milky white O-ring, sometimes called a 10,000 psi O-ring, is made of Polyurethane. Available in three sizes for SCUBA regulator-to-valve sealing
112 Scuba Dive O-rings NBR 90Sh valve - Scuba Gaskets
Polyurethane O-Ring - Dash 116 - Pack of 5
DANCO #11 O-Ring (10-Pack) 96728 - The Home Depot
JessEm - Replacement O-Rings for Clear-Cut Stock Guides
5 lb Hammer Strength Urethane Round Olympic Plates | Barbells & Weight Plates for Olympic Bar | High Quality Weights & Curl Bars | Hammer Strength
SSI high quality PU o ring or polyurethane o rings durable and
JORES TECHNOLOGIES® OEM Replacement Parts
Polyurethane O-rings
Thrust Polyurethane Rubber Dust Seal for Concrete Pipe and Clamp O
Size -015 9/16 Inside Diameter 11/16 Outside Diameter 1/16 Cross Section
Captain O-Ring Polyurethane O-Ring, -015 90A Durometer, Round, Translucent (25 Pack)
Polyurethane rubber cord