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 5915-01-380-5534
NSN 5915-01-027-0163
NSN 5999-01-063-8092
NSN 5985-00-926-9676
NSN 6685-01-113-2514
NSN 5895-00-171-0412
NSN 5855-00-411-8688
NSN 6135-01-329-6022
NSN 6150-00-936-5387
NSN 5930-01-023-8447
NSN 5999-00-739-4736
NSN 6645-01-508-9074