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 5895-00-930-2112
NSN 5925-01-640-8449
NSN 5925-00-597-1558
NSN 5950-00-890-4387
NSN 5965-01-608-3353
NSN 5990-01-612-5323
NSN 5835-00-269-2232
NSN 6240-00-504-1705
NSN 6220-01-356-7950
NSN 6110-01-020-6275
NSN 6105-01-451-4327
NSN 6610-01-362-8686