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 5965-01-359-8172
NSN 5835-01-203-8295
NSN 6220-01-339-1249
NSN 6150-01-145-4449
NSN 5905-01-107-9770
NSN 6110-01-494-7722
NSN 6145-00-821-4418
NSN 5920-00-721-0721
NSN 5855-01-089-2248
NSN 5996-00-489-9635
NSN 6240-01-553-7914
NSN 5950-00-394-1546