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 6685-00-022-8010
NSN 5935-01-178-0972
NSN 5996-00-389-7404
NSN 5950-01-097-5485
NSN 6620-01-220-8579
NSN 6685-00-616-3878
NSN 2925-01-417-6815
NSN 6650-01-231-6728
NSN 6220-01-288-0416
NSN 6610-00-458-5444
NSN 5990-00-758-5930
NSN 6320-01-527-0211