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 5935-01-359-9331
NSN 6150-01-549-8012
NSN 6150-01-450-8080
NSN 5915-00-146-2451
NSN 6645-01-003-5692
NSN 5835-01-152-9483
NSN 5960-00-392-6291
NSN 5990-01-172-4553
NSN 4140-01-568-4131
NSN 6620-01-139-6455
NSN 6645-01-076-4655
NSN 5905-00-278-5764