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 5930-01-090-5791
NSN 6610-01-499-0776
NSN 6610-00-987-9716
NSN 2925-01-258-8141
NSN 5935-01-318-3260
NSN 5990-00-633-2774
NSN 5920-01-162-8556
NSN 5915-01-246-0545
NSN 5965-00-450-5408
NSN 5965-01-009-9090
NSN 5990-00-339-2084
NSN 6610-01-459-1951