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 4140-00-457-0603
NSN 5855-00-560-0110
NSN 6650-01-248-9508
NSN 5975-01-461-8911
NSN 5895-00-226-2681
NSN 6645-01-273-2462
NSN 6105-00-227-1412
NSN 6320-01-116-3980
NSN 6220-00-595-6954
NSN 5996-01-019-0664
NSN 6320-00-036-3688
NSN 5985-00-317-8237