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 6130-01-266-4812
NSN 4140-01-421-8551
NSN 5985-01-397-4941
NSN 5835-00-408-5499
NSN 6320-01-421-3777
NSN 6150-00-259-1897
NSN 6610-01-593-8179
NSN 5930-01-271-0725
NSN 5945-00-779-6440
NSN 4140-01-516-7041
NSN 6130-01-603-0801
NSN 5996-01-547-3452