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 5910-01-029-0871
NSN 6130-01-411-6089
NSN 6150-01-634-0575
NSN 6135-00-998-5884
NSN 6145-01-603-1659
NSN 5935-00-900-4104
NSN 5990-00-277-3763
NSN 6650-01-579-3855
NSN 7035-00-096-9986
NSN 6135-01-347-0201
NSN 6320-01-523-4954
NSN 5835-01-328-6626