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 6620-01-300-9502
NSN 6130-01-581-6148
NSN 5915-00-488-7437
NSN 5835-01-380-5943
NSN 6135-01-184-0727
NSN 6135-01-164-3561
NSN 5996-01-023-8370
NSN 5835-01-566-5462
NSN 5835-00-926-0195
NSN 6240-00-698-5822
NSN 5855-00-782-7714
NSN 6150-01-335-4476