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 5835-00-155-1379
NSN 5925-00-241-6549
NSN 6130-00-870-3172
NSN 2925-00-228-4021
NSN 6240-01-396-0940
NSN 5855-01-587-1979
NSN 6620-00-905-6590
NSN 5999-01-337-3346
NSN 5965-00-246-5612
NSN 6105-01-539-5332
NSN 5905-01-100-1146
NSN 5935-01-419-7003