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 6145-00-209-5657
NSN 5855-01-490-9694
NSN 5895-00-468-4103
NSN 6240-01-603-7856
NSN 5999-01-050-3610
NSN 5945-01-159-2593
NSN 5835-00-180-7555
NSN 2925-00-185-1618
NSN 5950-00-385-1686
NSN 6650-01-222-1749
NSN 6240-01-633-9357
NSN 5975-00-833-0445