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 5930-00-946-2738
NSN 5855-01-443-6806
NSN 6620-00-975-5159
NSN 2925-01-408-9485
NSN 5920-00-359-9771
NSN 5935-01-055-7602
NSN 5950-01-444-1789
NSN 5945-01-381-1356
NSN 5925-01-567-9124
NSN 6110-01-443-0357
NSN 5999-00-588-5800
NSN 5945-00-184-8721