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 5855-01-485-3429
NSN 5996-01-100-5447
NSN 6650-01-506-5636
NSN 4140-00-419-0631
NSN 5996-01-364-1074
NSN 5950-00-283-7391
NSN 6320-01-054-3046
NSN 5975-00-246-4906
NSN 5910-01-389-9532
NSN 5920-01-304-5677
NSN 5985-01-444-0440
NSN 6610-01-493-6269