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 4140-01-025-0923
NSN 2925-01-308-9809
NSN 2925-00-549-6759
NSN 5855-01-035-2866
NSN 5935-00-293-1863
NSN 5855-01-323-5394
NSN 7035-01-107-2811
NSN 5985-00-925-5788
NSN 5950-00-926-0760
NSN 5835-01-364-6830
NSN 6240-00-034-5909
NSN 5920-01-038-3775