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 5998-01-475-2209
NSN 5945-01-029-3296
NSN 5855-00-327-2112
NSN 5996-00-338-9760
NSN 5855-00-797-8217
NSN 5950-01-607-2020
NSN 6145-01-409-1034
NSN 2925-01-178-0063
NSN 6135-01-041-3829
NSN 6110-01-115-3871
NSN 5920-01-621-6408
NSN 4140-01-189-7899