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 5999-01-270-0381
NSN 5855-00-879-7245
NSN 5925-01-469-6667
NSN 5950-01-218-4877
NSN 6320-01-576-6310
NSN 6130-01-047-1824
NSN 6110-01-216-3475
NSN 6650-00-924-3340
NSN 6685-00-145-8314
NSN 5895-01-111-2975
NSN 5999-01-612-7373
NSN 5990-01-514-8708