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 6145-01-335-4202
NSN 6110-00-044-3054
NSN 6320-01-155-8295
NSN 5965-00-123-1727
NSN 5985-00-081-9142
NSN 5945-01-435-3470
NSN 5835-00-973-6828
NSN 5905-01-430-0375
NSN 5965-00-693-8829
NSN 5855-00-688-9954
NSN 5895-01-196-7404
NSN 6130-01-356-0978