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 5935-00-616-2809
NSN 5835-00-113-6090
NSN 5960-01-381-8475
NSN 6645-01-062-0905
NSN 6645-01-066-6665
NSN 5960-00-938-3533
NSN 6650-01-140-4463
NSN 5950-00-419-0172
NSN 5996-01-271-8034
NSN 6135-00-231-7257
NSN 6645-01-449-1824
NSN 6645-00-933-2170