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 4140-00-316-5383
NSN 5999-01-364-7743
NSN 6650-01-304-8132
NSN 4140-01-500-1187
NSN 6145-01-414-0271
NSN 6110-00-469-7981
NSN 6650-01-508-3651
NSN 6105-00-900-8240
NSN 6650-01-287-4519
NSN 5925-00-320-7673
NSN 5985-00-102-5847
NSN 5895-00-233-7309