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 5895-00-005-2465
NSN 5950-00-248-6921
NSN 5835-00-177-2970
NSN 5960-01-613-6113
NSN 6320-00-481-7291
NSN 6645-00-641-3202
NSN 5999-01-336-6891
NSN 6135-00-369-2368
NSN 6650-01-388-2538
NSN 5996-01-363-1106
NSN 6240-01-116-3382
NSN 6620-01-535-1230