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 6130-00-299-0395
NSN 6240-01-501-5688
NSN 5999-00-755-5493
NSN 6220-01-174-9498
NSN 5965-01-197-6924
NSN 5855-01-653-1591
NSN 6320-01-125-3361
NSN 5925-00-369-7747
NSN 6150-01-211-4504
NSN 5920-01-422-0177
NSN 6650-00-411-1403
NSN 5835-01-495-0595