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 5950-01-614-3388
NSN 5945-01-498-0790
NSN 6650-00-276-9838
NSN 6105-01-200-8131
NSN 6685-00-171-9704
NSN 6685-01-136-9763
NSN 5990-00-465-4903
NSN 6645-01-375-2020
NSN 6650-01-186-5762
NSN 5915-01-195-9871
NSN 5960-01-495-0859
NSN 5855-00-688-9954