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 5990-00-812-9890
NSN 5996-00-298-1932
NSN 5990-00-779-4175
NSN 5915-01-464-1272
NSN 6650-01-113-7563
NSN 5998-01-216-2403
NSN 5960-01-454-7064
NSN 5925-01-510-2600
NSN 5975-01-064-0370
NSN 5920-00-519-9722
NSN 5920-01-116-3576
NSN 5999-01-401-5322