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 5935-01-333-6332
NSN 5998-00-372-6047
NSN 5855-01-659-0293
NSN 6150-01-408-0054
NSN 5998-00-116-6422
NSN 5998-01-088-2613
NSN 6240-01-546-9756
NSN 5835-01-276-1201
NSN 4140-01-087-7607
NSN 2925-01-004-5627
NSN 5996-01-227-4496
NSN 5960-01-140-1710