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 5915-01-040-2721
NSN 6110-01-227-0432
NSN 5920-01-047-4682
NSN 5975-00-940-7820
NSN 6130-01-194-5290
NSN 6610-01-053-6781
NSN 5950-01-115-4107
NSN 5835-01-359-2575
NSN 7035-01-027-1718
NSN 5895-01-644-9429
NSN 7035-01-547-5361
NSN 5996-00-111-1538