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 6620-01-443-3526
NSN 6645-01-161-3689
NSN 5960-01-324-8751
NSN 5920-01-203-6622
NSN 5965-01-436-0390
NSN 5998-01-091-5996
NSN 5996-00-369-5299
NSN 5950-00-722-0063
NSN 5950-01-574-8054
NSN 5999-00-113-5330
NSN 6645-01-116-2037
NSN 6105-01-464-6013