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 6610-00-518-4919
NSN 5855-00-688-9954
NSN 5920-01-300-1510
NSN 6135-01-630-6897
NSN 6130-00-185-1653
NSN 6240-01-322-7465
NSN 5945-01-280-2884
NSN 5965-01-624-8569
NSN 5999-00-237-6099
NSN 7035-01-464-9367
NSN 5996-00-082-0320
NSN 5835-00-467-7294