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 5905-01-216-0217
NSN 5960-01-171-0263
NSN 5855-01-587-1979
NSN 6650-01-237-1105
NSN 6130-00-368-9234
NSN 6685-00-638-9261
NSN 6650-01-463-8405
NSN 6145-01-461-3929
NSN 5999-00-956-0679
NSN 5950-01-313-6039
NSN 5905-01-613-5155
NSN 5990-00-811-9780