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 5920-00-658-7219
NSN 6650-01-246-4262
NSN 7035-00-543-3272
NSN 5855-00-058-1293
NSN 5965-01-353-6380
NSN 5996-01-593-1950
NSN 4140-00-236-3239
NSN 5975-00-449-1209
NSN 5950-01-282-0199
NSN 7035-00-252-7467
NSN 7035-01-633-9537
NSN 5835-01-102-4451