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 4140-01-150-3241
NSN 6110-00-185-8147
NSN 6650-00-250-5183
NSN 5990-00-822-9269
NSN 6650-01-555-8349
NSN 5950-00-718-6060
NSN 6130-00-383-0537
NSN 6135-01-592-4139
NSN 5985-01-296-7308
NSN 2925-01-462-8593
NSN 5965-01-531-6424
NSN 6685-01-373-2794