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 6130-00-289-7050
NSN 6320-01-119-3935
NSN 5960-01-432-6038
NSN 5996-01-281-7336
NSN 5925-01-607-5684
NSN 5990-00-165-1809
NSN 5920-00-937-3713
NSN 5990-00-927-3127
NSN 5965-01-349-9029
NSN 5999-01-651-7513
NSN 6150-00-139-1566
NSN 5835-01-117-3011