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 5925-01-555-8524
NSN 6130-01-089-3565
NSN 5935-01-100-4927
NSN 5998-00-272-5660
NSN 5998-01-243-0420
NSN 6145-00-170-7947
NSN 5925-01-509-4582
NSN 5915-01-496-8869
NSN 5930-01-141-6732
NSN 4140-00-249-5603
NSN 5895-01-651-1689
NSN 6240-01-365-1337