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 5945-01-258-5042
NSN 2925-00-005-1618
NSN 5996-00-144-8091
NSN 6105-00-728-1001
NSN 5920-01-464-2022
NSN 6110-00-935-5351
NSN 5996-01-228-5334
NSN 5935-01-237-5800
NSN 6220-00-707-5044
NSN 4140-01-181-0167
NSN 5999-00-819-5162
NSN 5930-01-461-8130