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 5975-00-139-1427
NSN 6135-01-382-9278
NSN 6150-00-215-7655
NSN 5920-01-433-2993
NSN 5960-00-071-0698
NSN 5950-01-346-4618
NSN 5985-01-558-3815
NSN 5998-00-707-5781
NSN 6145-01-486-9915
NSN 5999-01-201-3220
NSN 6105-00-730-3125
NSN 5965-00-246-5612