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 5920-00-087-8994
NSN 5960-00-273-3058
NSN 5835-00-833-7080
NSN 5920-00-058-9347
NSN 4140-01-201-4359
NSN 6105-00-598-4910
NSN 2925-01-444-2061
NSN 5998-01-396-2821
NSN 6320-00-222-1468
NSN 6130-01-388-6043
NSN 6130-01-555-3073
NSN 5965-01-529-4417