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 5910-01-147-8087
NSN 6145-01-311-2799
NSN 5910-01-170-4424
NSN 5975-01-318-1356
NSN 5925-01-140-1114
NSN 6320-01-145-9013
NSN 5910-01-291-2852
NSN 5990-01-656-7047
NSN 6320-00-779-5923
NSN 5996-01-075-5184
NSN 6240-00-189-2762
NSN 6645-00-841-0026