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 5920-01-357-0997
NSN 7035-00-421-8710
NSN 7035-00-075-6776
NSN 6130-01-495-8126
NSN 5985-01-032-9247
NSN 6620-01-411-0390
NSN 5999-00-159-8639
NSN 6240-01-199-7653
NSN 5930-00-223-6821
NSN 6220-00-136-3009
NSN 6650-00-299-9681
NSN 5895-00-415-6636