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 5925-01-275-9349
NSN 5945-01-450-7020
NSN 6320-01-522-0318
NSN 6145-01-369-8025
NSN 5998-01-440-9573
NSN 5920-00-552-1567
NSN 2925-01-363-1805
NSN 5996-00-986-8853
NSN 6650-00-964-9470
NSN 5835-00-518-4507
NSN 6145-01-162-5797
NSN 6135-01-362-4256