Metric Nitrile Rubber NBR O Ring Seals 1.5mm Cross Section 2mm-19mm Internal Dim | eBay
O-RING SET FOR 17/19MM ROLLERS 94792 – MadTang Tamiya Mini 4WD
OD 19mm O-Ring ID 15.2mm CS 1.9mm For Brushless Motors Propeller Valve Black Sealing Washer NBR Rubber O Ring Flexible RC Parts - AliExpress Toys & Hobbies
uxcell Nitrile Rubber O-Rings 19mm OD 15mm ID 2mm Width, Metric Sealing Gasket for Automotive Machine Plumbing, Pack of 50: Amazon.com: Industrial & Scientific