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 6240-00-635-9953
NSN 5945-00-456-0583
NSN 6150-00-770-6940
NSN 5895-00-890-9177
NSN 5985-01-463-8562
NSN 5915-01-204-1763
NSN 5905-00-948-0295
NSN 5855-00-337-3679
NSN 7035-01-546-6386
NSN 5999-00-775-6863
NSN 6650-00-107-8509
NSN 6645-01-206-4888