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 6105-00-136-4780
NSN 6610-00-425-7684
NSN 6610-01-392-8030
NSN 5990-01-324-7529
NSN 6150-01-627-7778
NSN 5925-01-445-6112
NSN 5925-00-597-1558
NSN 6620-00-010-8190
NSN 4140-01-180-0125
NSN 6685-00-444-7209
NSN 6130-01-206-2435
NSN 5915-00-467-1585