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 5895-00-819-1273
NSN 5855-01-268-6468
NSN 5915-01-584-9230
NSN 6130-00-798-5514
NSN 5985-01-322-8546
NSN 5920-00-438-4973
NSN 6145-00-493-4073
NSN 4140-01-438-2806
NSN 6685-01-541-7243
NSN 5930-01-499-9870
NSN 6110-00-866-8590
NSN 4140-00-916-2771