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 5920-01-634-0250
NSN 6610-01-117-7130
NSN 6130-00-387-2051
NSN 6150-01-266-9775
NSN 5905-00-270-8104
NSN 5990-01-054-4255
NSN 5945-01-453-8873
NSN 6135-00-877-1659
NSN 5915-01-151-3057
NSN 5920-00-813-7278
NSN 6645-00-042-9587
NSN 5996-01-008-9948