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 5910-00-767-9940
NSN 5990-00-391-6207
NSN 6130-01-406-4769
NSN 6620-01-100-3181
NSN 5945-00-034-5672
NSN 6645-01-631-3451
NSN 6130-01-400-6123
NSN 5945-00-767-5895
NSN 5996-01-100-2952
NSN 5895-00-483-5112
NSN 5998-01-514-7970
NSN 5960-01-505-2426