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 6220-00-061-8076
NSN 5895-00-518-1593
NSN 5925-01-517-1171
NSN 5835-01-436-6549
NSN 5930-00-221-7490
NSN 6130-01-248-7667
NSN 5915-00-576-6395
NSN 5925-01-271-3300
NSN 6645-01-633-1852
NSN 6320-00-519-0770
NSN 4140-00-193-8879
NSN 5975-00-518-0689