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 5985-01-477-2657
NSN 5910-00-116-6535
NSN 5920-00-570-6594
NSN 5935-01-340-9209
NSN 5920-01-420-8580
NSN 6150-01-369-3035
NSN 6105-00-104-2750
NSN 2925-01-172-9209
NSN 6110-00-141-1966
NSN 5855-01-656-6808
NSN 5985-01-407-0401
NSN 6650-00-539-7298