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 5999-00-307-6909
NSN 5935-01-013-9680
NSN 5960-00-831-6141
NSN 5999-01-025-9717
NSN 6610-01-500-2415
NSN 5935-01-010-1918
NSN 5910-00-008-8419
NSN 6145-00-201-1330
NSN 7035-01-055-0896
NSN 6135-01-281-4758
NSN 6105-01-290-8793
NSN 5950-00-151-7954