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 6105-00-456-0920
NSN 5975-00-900-8593
NSN 4140-01-313-8291
NSN 5975-01-260-3509
NSN 6240-01-360-6965
NSN 5990-01-064-7157
NSN 5996-00-135-3915
NSN 5996-00-481-7119
NSN 5960-01-503-8411
NSN 5930-01-651-9814
NSN 6610-01-480-9311
NSN 5975-01-274-8813