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 5999-01-539-2067
NSN 6105-01-435-4376
NSN 4140-00-287-9199
NSN 5835-00-707-6266
NSN 5915-01-341-0896
NSN 5905-01-449-0369
NSN 5998-01-395-3431
NSN 5855-01-177-4751
NSN 2925-01-083-3986
NSN 5835-01-301-0022
NSN 6240-01-308-1848
NSN 5910-00-209-6243