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 6320-01-033-6624
NSN 6650-01-399-8552
NSN 5996-00-091-0254
NSN 2925-01-027-1293
NSN 6650-01-331-5243
NSN 5950-01-591-8151
NSN 6110-00-392-6173
NSN 5855-01-141-8227
NSN 5945-01-426-8747
NSN 5835-01-406-4066
NSN 6610-01-441-4007
NSN 7035-01-235-6023