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 6320-01-459-6992
NSN 6620-01-265-2887
NSN 5895-01-629-9400
NSN 5935-00-400-8399
NSN 5915-01-437-7150
NSN 5925-00-329-9190
NSN 6135-01-578-8642
NSN 5985-01-502-9010
NSN 6105-00-988-9903
NSN 5945-01-393-6896
NSN 5835-00-166-9413
NSN 4140-01-268-3273