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 4140-01-269-0383
NSN 4140-00-652-9238
NSN 5996-01-337-3516
NSN 5950-00-364-0764
NSN 5905-01-123-9715
NSN 6685-01-264-4967
NSN 6135-01-345-6157
NSN 6685-00-968-1953
NSN 6220-01-258-6256
NSN 5835-00-853-7785
NSN 6130-00-815-2293
NSN 6220-00-946-8737