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 6240-00-883-1731
NSN 5965-01-518-9931
NSN 5935-01-493-4229
NSN 5998-00-941-3705
NSN 5920-01-177-3761
NSN 5915-00-900-8862
NSN 5855-00-252-5743
NSN 6240-01-429-2747
NSN 5960-01-462-1864
NSN 7035-01-131-1168
NSN 5925-01-164-2584
NSN 5925-01-528-6838