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 5920-01-618-7527
NSN 6150-01-408-4662
NSN 7035-00-546-2560
NSN 7035-00-631-3782
NSN 5930-01-288-5954
NSN 5965-01-633-8849
NSN 2925-00-386-8745
NSN 5915-01-474-4210
NSN 5945-01-044-4646
NSN 6220-01-367-6411
NSN 5935-01-343-6939
NSN 5920-00-851-9476