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 6620-00-280-2874
NSN 6110-00-241-7126
NSN 5855-00-337-3679
NSN 6220-01-063-9543
NSN 6130-01-118-3433
NSN 5990-01-116-2181
NSN 5920-00-865-3717
NSN 5920-01-486-6918
NSN 6685-01-357-9082
NSN 5975-01-010-4887
NSN 6135-01-128-5358
NSN 5960-01-297-5855