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 5895-00-945-4339
NSN 6610-01-268-4191
NSN 5920-01-418-3450
NSN 5945-01-371-4968
NSN 6145-00-144-0918
NSN 5915-01-272-4182
NSN 5855-01-093-8202
NSN 5965-01-053-7168
NSN 5985-01-411-3534
NSN 5835-00-034-4976
NSN 5945-00-755-6903
NSN 6650-00-378-9416