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 5999-01-619-8730
NSN 5960-01-413-3877
NSN 6645-01-564-0569
NSN 5930-01-328-9674
NSN 6130-00-170-4844
NSN 5975-01-144-0346
NSN 5975-00-233-6301
NSN 5925-00-581-3930
NSN 5998-01-541-5959
NSN 5985-00-007-6654
NSN 5975-01-579-3861
NSN 5910-01-019-0353