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 6135-01-097-9317
NSN 6220-00-349-2594
NSN 5920-01-251-5587
NSN 5950-00-196-0355
NSN 5920-01-068-3135
NSN 6135-00-643-4843
NSN 6145-01-130-5416
NSN 6130-01-072-3137
NSN 6220-01-386-3810
NSN 6620-01-068-4498
NSN 5915-01-451-2399
NSN 6685-01-362-0302