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 5935-01-050-1561
NSN 6320-01-488-5581
NSN 5920-01-064-9114
NSN 6240-01-558-7502
NSN 6650-01-396-5352
NSN 4140-01-032-3705
NSN 6220-00-660-5539
NSN 5985-01-470-5792
NSN 5998-01-472-1874
NSN 6135-01-026-9960
NSN 6145-01-454-3944
NSN 5950-00-832-5474