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 6135-01-173-6306
NSN 5965-01-288-4736
NSN 6650-00-927-3391
NSN 6105-01-287-9756
NSN 5920-01-401-5315
NSN 5960-01-039-6423
NSN 5965-01-540-0743
NSN 5920-00-997-0157
NSN 5950-01-394-5352
NSN 6145-01-317-2217
NSN 7035-01-362-4924
NSN 6145-00-530-8427