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 6620-01-633-8443
NSN 5999-01-003-6597
NSN 5925-01-612-3037
NSN 5925-01-461-2026
NSN 6610-00-755-1740
NSN 6320-01-191-6717
NSN 6135-01-282-4326
NSN 5910-00-754-0444
NSN 5905-01-432-3059
NSN 5990-01-189-9338
NSN 5855-01-018-1247
NSN 5855-00-912-3885