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 5895-01-546-6231
NSN 5950-00-615-5670
NSN 6645-01-395-2989
NSN 6620-01-419-8014
NSN 6240-01-338-6045
NSN 5965-01-512-1245
NSN 6645-01-437-7770
NSN 6220-00-195-4655
NSN 5925-00-732-8916
NSN 5990-01-411-5930
NSN 5905-00-593-3785
NSN 4140-01-458-2180