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 5930-01-567-2676
NSN 5920-01-445-7000
NSN 5930-01-026-1821
NSN 6130-01-440-7591
NSN 6220-01-336-7414
NSN 5965-00-118-8199
NSN 5998-01-322-0777
NSN 6610-01-374-0569
NSN 6150-00-928-0790
NSN 7035-01-513-8038
NSN 5835-01-408-7576
NSN 6145-01-183-0958