What is an O-Ring ?, What is an O-Ring Seal ?

An O-ring is a torus, or doughnut-shaped ring, generally molded from an elastomer, although O-rings are also made from PTFE and other materials.

Types of O-Ring Applications

Why an O-Ring Works - Seal Design Guide

Advantages & Disadvantages of Standardizing O-Rings - Boyd

Which Seal Should I Use? Gasket vs Oring

What is an O Ring - Selection, Material and Storage : Barnwell

320 Silicone O-Ring, 70A Durometer, Red, 1-1/8 ID, 1-1/2 OD, 3

Parker O-Ring Handbook ORD PDF Free Download

Parker O-Ring Handbook ORD PDF Free Download

What is an O Ring - Selection, Material and Storage : Barnwell