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 6130-01-173-7183
NSN 5990-01-369-6915
NSN 5920-01-401-5315
NSN 6220-00-913-4465
NSN 5895-01-399-1890
NSN 5925-00-468-2757
NSN 2925-01-139-5144
NSN 5960-01-224-0414
NSN 5950-01-091-3691
NSN 5945-01-193-2105
NSN 5910-00-304-2850
NSN 5999-00-709-5735