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 6685-00-451-6941
NSN 5990-01-463-5400
NSN 5999-00-246-6304
NSN 5945-00-282-3181
NSN 6685-00-202-5084
NSN 5925-00-147-0749
NSN 6150-00-104-2086
NSN 5935-00-044-2435
NSN 6320-01-512-2031
NSN 5855-01-062-5655
NSN 6220-00-305-0801
NSN 6220-00-422-4461