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 5855-01-023-3727
NSN 6645-00-262-7448
NSN 6650-01-272-3727
NSN 5998-00-727-8716
NSN 6240-01-431-5790
NSN 5996-01-210-0280
NSN 5999-01-131-8763
NSN 6610-01-423-3061
NSN 5975-01-449-1798
NSN 6110-01-492-1714
NSN 5910-01-472-7089
NSN 7035-00-902-8995