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 compression-ignition internal combustion piston engines (diesel), nesoi
NSN 5895-01-631-4139
NSN 6220-00-243-2288
NSN 5935-01-461-5996
NSN 6645-00-008-3944
NSN 7035-00-167-7411
NSN 6105-00-919-6524
NSN 6610-00-797-1417
NSN 6620-01-095-3173
NSN 6220-00-351-4556
NSN 4140-01-265-0731
NSN 5920-00-339-0338
NSN 5925-00-284-3726