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 5895-01-027-2887
NSN 5998-00-572-9182
NSN 5999-00-953-5137
NSN 5999-00-947-3468
NSN 5905-01-342-5974
NSN 5925-01-323-5784
NSN 7035-01-027-1718
NSN 5930-01-032-2973
NSN 5910-00-775-0525
NSN 5996-00-644-0205
NSN 5910-01-024-4141
NSN 5935-01-511-0055