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 6610-00-222-8970
NSN 5990-01-602-6701
NSN 6320-01-102-0799
NSN 5895-01-393-4731
NSN 6105-01-437-5646
NSN 5835-01-214-5402
NSN 5945-01-590-1148
NSN 6110-01-114-0175
NSN 6130-01-474-7939
NSN 2925-00-480-9068
NSN 5965-01-116-1886
NSN 6135-01-445-6589