O-ring envelope gasket
O-ring forming sealing washer
O-ring insert
O-ring port contour sheath and seal
O-ring seal flat face fitting
O-ring seal for rock bit bearings
O-ring seal seating arrangement for rotary plug valve
Object engaging tool and method of manipulating object using...
Object propelling means and valve therefor
Object provided with a weighting layer or mass
Object such as a sealing ring composed of elastic material...
Oblate friction rock stabilizer and installation lubricating...
Ocean pipe line system
Odometer cable disconnect blocking device
Odometer drive cable assembly connector
Odor trap for drain
Off highway truck brake assembly and wheel spindle having a...
Off-highway vehicle ride strut
Off-highway vehicle ride strut and method
Off-set adjusting nut