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 5930-00-398-7477
NSN 6145-01-438-3748
NSN 5975-01-599-0539
NSN 6135-01-377-5729
NSN 5920-00-649-6185
NSN 5960-01-073-2789
NSN 6240-00-453-9630
NSN 5855-01-522-4471
NSN 6105-00-135-0020
NSN 5960-00-310-3844
NSN 6105-01-176-6857
NSN 5996-00-597-2234