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 compressors other than refrigerating and air conditioning compressors
NSN 5835-00-847-7277
NSN 5930-00-605-2853
NSN 5920-00-648-6767
NSN 5975-01-204-6005
NSN 5975-01-436-2767
NSN 5996-01-013-8824
NSN 5905-00-290-8098
NSN 6150-00-386-1996
NSN 6650-01-048-6757
NSN 6135-00-982-1882
NSN 5915-01-281-7553
NSN 6610-01-434-0289