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 5960-01-308-2474
NSN 5910-01-114-0636
NSN 6320-01-039-5891
NSN 6110-01-303-4669
NSN 5945-01-421-5754
NSN 6240-01-292-6374
NSN 6650-01-561-4399
NSN 5996-00-293-4687
NSN 5945-01-049-6918
NSN 5855-01-110-9564
NSN 6150-01-224-7651
NSN 6645-00-968-6118