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 2925-00-899-4261
NSN 4140-01-424-7985
NSN 6135-00-897-8666
NSN 6150-01-290-9942
NSN 6150-01-590-4384
NSN 5998-00-684-8186
NSN 4140-01-182-5861
NSN 5945-01-255-5197
NSN 5920-01-023-4822
NSN 6610-01-046-8568
NSN 6320-01-176-8367
NSN 5975-00-118-7063