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 6220-01-147-7219
NSN 5935-01-152-2280
NSN 2925-01-180-7793
NSN 5855-01-426-5589
NSN 4140-01-508-7067
NSN 7035-01-374-7954
NSN 5985-01-352-4466
NSN 6135-01-193-8154
NSN 5920-01-530-7444
NSN 6135-00-628-1142
NSN 5965-01-440-9039
NSN 7035-01-467-3101