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 5985-01-299-5357
NSN 5835-01-046-9615
NSN 6320-00-382-7825
NSN 5920-01-444-6732
NSN 2925-00-833-9466
NSN 5975-00-202-5013
NSN 6320-01-358-0141
NSN 6620-01-412-4632
NSN 6685-00-456-2385
NSN 6320-01-648-5538
NSN 2925-00-844-2789
NSN 6220-01-223-1441