A circular, single or multipiece item, metallic or nonmetallic in composition, designed to be fitted in a circumferential groove in a piston and to spring outward against the cylinder wall to function as a seal or wiper. It is supplied in various cross-sectional shapes and is cut through at one point to allow for installation in the piston ring groove. It may include an expander. Excludes packing, preformed; retainer, oil seal; retainer, packing; ring, retaining; ring wiper; and seal ring, metal.
Classification: Parts, nesoi, of bearing housings & plain shaft bearings, housed bearings, clutches, universal joints, flywheels and transmission shafts
NSN 6320-01-512-2031
NSN 7035-01-556-2554
NSN 5835-01-604-7489
NSN 6150-01-444-4836
NSN 5996-01-371-2958
NSN 6610-01-361-5784
NSN 4140-00-482-2668
NSN 5975-00-288-5877
NSN 6220-00-111-4051
NSN 5985-01-513-1876
NSN 5835-00-572-7445
NSN 5925-01-115-4405