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 5998-00-058-7816
NSN 6320-01-264-7611
NSN 6645-01-180-6219
NSN 4140-01-495-5623
NSN 6145-00-265-6205
NSN 5930-01-186-0521
NSN 6610-01-422-2376
NSN 5925-00-608-0973
NSN 5920-00-936-3952
NSN 5915-01-483-0517
NSN 2925-01-146-0278
NSN 6620-01-234-1799