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 5895-00-960-5841
NSN 5998-00-914-2368
NSN 5895-01-167-9233
NSN 5930-00-098-9100
NSN 6685-01-010-2120
NSN 6685-00-038-7886
NSN 5990-01-395-4194
NSN 6105-00-189-0515
NSN 4140-00-136-9214
NSN 5930-00-998-7599
NSN 4140-01-167-5741
NSN 6240-00-553-1923