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 5999-00-454-3995
NSN 5965-01-543-8570
NSN 5855-00-631-4565
NSN 5910-01-440-9558
NSN 6620-01-246-4314
NSN 5835-01-571-4083
NSN 6220-00-090-1310
NSN 5935-01-604-9133
NSN 5960-01-273-2794
NSN 4140-01-609-7987
NSN 5998-01-023-1270
NSN 5960-01-009-2899