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 5945-01-527-6667
NSN 5965-00-170-5254
NSN 5935-01-055-6991
NSN 5930-00-177-9383
NSN 6620-01-415-1622
NSN 5935-01-018-9970
NSN 4140-01-410-7626
NSN 6645-01-322-8897
NSN 2925-01-649-7543
NSN 6145-01-094-8150
NSN 6130-01-528-7382
NSN 5920-00-579-8434