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 5930-01-604-9989
NSN 4140-01-310-7345
NSN 6650-00-519-0973
NSN 6650-00-590-9073
NSN 6145-01-211-7577
NSN 7035-01-516-9971
NSN 4140-00-313-2358
NSN 5996-01-231-1558
NSN 5985-00-068-8851
NSN 7035-01-505-3286
NSN 6105-01-104-4495
NSN 5930-01-142-2571