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 5910-00-255-0988
NSN 5920-01-375-1238
NSN 5990-01-440-7135
NSN 5960-01-180-8000
NSN 6645-00-854-7505
NSN 5935-00-051-2674
NSN 7035-00-908-4933
NSN 5855-01-079-8716
NSN 5935-01-204-8407
NSN 5985-01-560-6431
NSN 5835-01-610-5744
NSN 6650-01-456-1225