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 5990-01-632-0969
NSN 5975-00-170-3623
NSN 5999-00-880-6067
NSN 6105-01-622-4820
NSN 5985-00-161-2723
NSN 5915-00-539-9930
NSN 6105-01-321-5920
NSN 5915-00-449-9791
NSN 5835-00-422-1441
NSN 4140-00-872-6316
NSN 5835-01-442-6482
NSN 5945-01-556-3304