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 5925-01-200-7813
NSN 5925-00-223-1842
NSN 5910-01-269-7177
NSN 5996-00-878-6297
NSN 6145-01-423-8625
NSN 5935-01-173-5727
NSN 5990-01-395-4194
NSN 6110-01-527-9769
NSN 4140-01-563-1020
NSN 5895-01-335-9716
NSN 5855-01-335-8907
NSN 6110-00-287-6521