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 5950-01-160-8176
NSN 5975-00-583-8625
NSN 6320-00-977-3930
NSN 4140-01-050-8096
NSN 6650-01-056-5418
NSN 6320-01-302-5157
NSN 6130-01-487-3758
NSN 4140-01-031-0286
NSN 6220-01-521-2720
NSN 6110-01-289-1284
NSN 5935-01-235-0441
NSN 6650-01-146-5000