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 6320-00-300-5556
NSN 6110-00-622-7478
NSN 5855-01-504-4750
NSN 5999-01-113-6872
NSN 6150-00-189-0292
NSN 6685-01-463-9867
NSN 6240-00-204-9355
NSN 4140-01-025-7404
NSN 6620-00-148-9613
NSN 6105-01-316-7220
NSN 5855-01-003-7102
NSN 6220-01-462-0236