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 5950-00-613-9900
NSN 5920-00-627-8737
NSN 5915-01-163-4332
NSN 4140-01-255-3496
NSN 5855-00-548-4742
NSN 5990-01-208-4322
NSN 5999-01-548-4423
NSN 5915-00-796-9794
NSN 6610-00-166-7406
NSN 5985-01-338-7673
NSN 5960-01-387-0373