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 5945-01-568-4587
NSN 4140-00-339-1514
NSN 5960-00-003-7982
NSN 5950-01-456-0567
NSN 5935-00-768-8797
NSN 5895-00-790-1813
NSN 6320-01-272-7072
NSN 6130-00-254-5159
NSN 5905-01-190-9729
NSN 5935-01-286-3623
NSN 5905-01-441-2791
NSN 6610-01-581-0909