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 5905-01-442-5214
NSN 5998-01-534-3939
NSN 5920-01-632-3839
NSN 5895-01-565-9305
NSN 5835-01-303-6563
NSN 6650-00-866-9947
NSN 5999-01-458-8369
NSN 5975-01-203-7592
NSN 6240-00-983-6761
NSN 6620-00-526-0387
NSN 5935-01-408-5988
NSN 6610-00-945-6782