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 5950-00-881-4919
NSN 5935-00-642-0626
NSN 6145-00-722-9700
NSN 5915-01-275-4899
NSN 5835-01-424-0054
NSN 4140-01-554-4353
NSN 5950-00-248-6921
NSN 5930-00-855-4191
NSN 6150-00-151-6771
NSN 6685-01-221-0209
NSN 6130-00-496-0549
NSN 5998-01-200-0128