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 5945-00-960-3896
NSN 6130-01-252-7311
NSN 6110-01-310-6643
NSN 5930-00-450-8874
NSN 5990-00-506-8315
NSN 6145-01-139-1477
NSN 5960-01-265-1393
NSN 6610-00-907-2047
NSN 5965-01-432-1943
NSN 5930-01-502-1048
NSN 7035-01-534-7930
NSN 5855-01-268-6468