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 5930-01-323-8599
NSN 5996-00-839-1339
NSN 5990-01-481-8441
NSN 6620-01-362-5432
NSN 6320-01-442-3428
NSN 5996-01-323-7763
NSN 6135-00-437-5182
NSN 5998-00-360-1738
NSN 6320-00-519-0770
NSN 6610-01-274-6223
NSN 5985-01-511-0550
NSN 5920-01-221-4017