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 6135-00-681-2702
NSN 6650-01-646-6909
NSN 6105-00-168-1287
NSN 5925-01-223-6382
NSN 5998-00-458-5259
NSN 5965-01-105-7901
NSN 5930-01-174-8138
NSN 5920-00-023-1164
NSN 6650-01-591-2481
NSN 5998-01-579-2198
NSN 5905-01-222-8939
NSN 5910-00-253-3992