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 6150-01-633-1807
NSN 6105-01-556-2317
NSN 5835-01-469-6706
NSN 5835-00-269-2232
NSN 6220-01-605-2534
NSN 5835-00-949-0738
NSN 5945-01-554-7872
NSN 5915-01-582-2475
NSN 5855-01-343-7943
NSN 5960-01-323-6432
NSN 5925-00-111-5063
NSN 6105-01-338-5444