O-ring

Other features include dual Wavetype brake rotors, ITP Holeshot SR tires front and rear mounted on aluminum wheels, dual removable headlights, and a heavy-duty 520 O-ring chain.

Quad 2009 ATV Buyers Guide 2009

The O-ring fits snug on the rod and snug against the bottom of the barrel.

Fixing a loose Ram rod 2010

But engineers gradually accepted foam loss as routine, just as they had gradually accepted O-ring damage as routine.

25 years later: How the Challenger disaster brought NASA down to earth 2011

An adjustable O-ring allows different tone selections, and the Hex is guaranteed not to freeze up, a big deal for northern deer hunters.

Quaker Boy Ridge Runner Hex JayCassell 2009

There's no point, and if I hear one more person in the media say follow us on Twitter, I just may blow an O-ring.

Discourse.net: Twitter == Online Crack 2009

It was the victim of an O-ring failure in its right-side rocket booster, believed to have been caused by Florida's unseasonably cold weather that week.

Jim Noles: Twenty-Five Years Ago, We Lost More Than a Space Shuttle Jim Noles 2011

McAuliffe and six others on board perished as the cameras rolled, victims of stiff O-ring seals and feeble bureaucratic decisions.

Challenger: 25 Years Later, A Still Painful Wound AP 2011

Engineers redesigned the O-ring joints and added a bailout system for the crew's use in an emergency.

25 years later: How the Challenger disaster brought NASA down to earth 2011

It was the victim of an O-ring failure in its right-side rocket booster, believed to have been caused by Florida's unseasonably cold weather that week.

Jim Noles: Twenty-Five Years Ago, We Lost More Than a Space Shuttle Jim Noles 2011

An adjustable O-ring allows different tone selections, and the Hex is guaranteed not to freeze up, a big deal for northern deer hunters.

Quaker Boy Ridge Runner Hex JayCassell 2009