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 5930-00-477-0021
NSN 6110-00-553-8816
NSN 2925-01-194-9737
NSN 6650-01-482-6021
NSN 5990-00-042-3413
NSN 6150-00-156-4581
NSN 5895-00-736-6146
NSN 6320-01-113-7647
NSN 5975-00-815-2160
NSN 5835-00-930-8500
NSN 6320-01-511-1526
NSN 5965-01-397-5573