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 5910-01-641-1600
NSN 6110-01-158-5866
NSN 6135-00-735-8530
NSN 5895-01-556-2918
NSN 4140-01-656-8267
NSN 6145-01-351-7441
NSN 5925-01-463-8594
NSN 6320-00-405-2348
NSN 5835-00-491-3834
NSN 5996-01-465-2305
NSN 5960-01-142-1995
NSN 6645-00-498-6869