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 6145-00-246-2424
NSN 5985-00-754-5426
NSN 6650-01-406-4959
NSN 5998-01-063-7066
NSN 5835-01-005-8564
NSN 5999-00-476-9991
NSN 5835-01-558-9444
NSN 5999-01-406-5623
NSN 5998-01-428-7824
NSN 5990-01-387-6114
NSN 6620-00-229-2728
NSN 6620-01-438-0415