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 6130-00-575-9721
NSN 6650-00-490-2637
NSN 6105-00-932-5309
NSN 6135-01-309-8414
NSN 6220-01-406-3167
NSN 6220-01-020-8703
NSN 6110-00-851-6746
NSN 6130-01-056-0838
NSN 6130-01-644-8885
NSN 5999-01-473-9987
NSN 6650-01-261-5239
NSN 5920-01-249-7616