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 5985-01-297-3386
NSN 4140-01-433-8905
NSN 5998-01-377-1065
NSN 7035-00-096-9986
NSN 6105-01-127-0659
NSN 5965-01-063-7894
NSN 5985-00-759-1463
NSN 5960-01-298-9875
NSN 6145-01-463-8229
NSN 5945-01-342-7341
NSN 5985-00-470-2194
NSN 5965-01-569-3332