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 5945-00-872-6793
NSN 5905-01-047-8129
NSN 4140-01-317-3559
NSN 6135-01-199-1185
NSN 5975-01-347-4385
NSN 5910-01-206-8857
NSN 5910-01-386-7275
NSN 5910-01-387-4492
NSN 5930-00-549-7531
NSN 5835-00-422-1441
NSN 5925-00-522-2593
NSN 5985-01-194-4501