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 5905-01-458-0590
NSN 5835-00-868-3399
NSN 5935-01-117-2804
NSN 5910-00-386-9473
NSN 6685-01-268-3521
NSN 5895-00-283-5581
NSN 6645-00-050-3738
NSN 6650-01-601-8194
NSN 5999-01-608-0802
NSN 5935-01-329-0033
NSN 5945-01-169-1336
NSN 6620-01-256-9703