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 5920-00-280-9549
NSN 5835-01-166-7420
NSN 5915-00-244-1702
NSN 5975-00-727-5153
NSN 6240-01-322-0493
NSN 6620-00-995-1811
NSN 5999-01-634-0576
NSN 6620-01-555-1453
NSN 6145-01-388-1600
NSN 6610-00-103-7166
NSN 5965-01-435-3414
NSN 5999-00-166-0701