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 for spark-ignition internal combustion piston engines, nesoi
NSN 6685-01-290-9381
NSN 6685-01-313-1288
NSN 6105-00-314-4176
NSN 5950-01-464-4191
NSN 6620-01-261-2985
NSN 7035-01-363-4540
NSN 5935-01-107-5746
NSN 6650-00-544-5497
NSN 5960-01-614-8005
NSN 6240-01-004-3464
NSN 5855-00-797-8217
NSN 5965-00-946-6692