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 5925-00-042-7805
NSN 5985-01-501-5908
NSN 6610-00-822-0431
NSN 6130-01-508-3110
NSN 5950-01-511-7661
NSN 4140-01-125-2906
NSN 5950-01-113-6653
NSN 6130-00-803-2724
NSN 5999-01-369-9316
NSN 6135-00-437-5182
NSN 6620-00-038-5343
NSN 6110-01-415-7890