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 5920-00-840-3570
NSN 5950-00-920-8538
NSN 6220-01-455-8942
NSN 5990-01-114-5095
NSN 5910-00-248-6899
NSN 5965-01-605-1753
NSN 5999-01-591-9557
NSN 6135-00-128-1633
NSN 6110-01-414-5305
NSN 6645-01-633-1852
NSN 6650-01-061-9101
NSN 6110-01-016-0887