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 6610-01-441-6513
NSN 5915-01-413-3869
NSN 6145-00-423-1563
NSN 5855-01-327-2681
NSN 5996-00-112-4588
NSN 5835-01-261-2978
NSN 5999-01-089-4562
NSN 6610-01-066-4664
NSN 5945-01-469-9459
NSN 6105-00-782-0024
NSN 6320-00-725-0754
NSN 5930-01-149-2573