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 6685-01-528-9878
NSN 5945-01-437-6240
NSN 5990-00-381-6113
NSN 5930-00-288-0175
NSN 6130-00-375-6299
NSN 5935-01-041-3093
NSN 5895-00-923-3409
NSN 4140-01-167-2251
NSN 5950-00-844-4495
NSN 5930-00-100-0163
NSN 6105-01-089-4956
NSN 5935-01-583-7342