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 5915-01-484-9097
NSN 5950-01-023-7692
NSN 5990-00-767-0893
NSN 4140-00-966-5762
NSN 5985-00-591-3001
NSN 5920-00-199-9514
NSN 6240-01-429-9002
NSN 5855-01-423-5839
NSN 6110-00-623-3468
NSN 5895-00-462-1916
NSN 6110-00-503-6643
NSN 6240-01-116-1080