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 7035-01-647-1561
NSN 5910-00-890-0656
NSN 6145-01-325-8505
NSN 5925-01-227-5536
NSN 6220-01-104-5075
NSN 5950-01-208-1142
NSN 5985-00-905-7433
NSN 5935-01-429-4891
NSN 5975-01-564-1305
NSN 6220-00-510-7899
NSN 5985-01-609-0479
NSN 2925-01-202-7235