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 5945-01-571-6997
NSN 6320-01-237-9746
NSN 5855-01-445-6551
NSN 5999-01-605-1318
NSN 5915-01-412-0572
NSN 5930-00-666-2971
NSN 5998-01-085-3182
NSN 6105-00-542-7948
NSN 5895-00-823-4971
NSN 5965-01-323-0501
NSN 4140-00-808-9759
NSN 6150-01-424-2903