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 6110-01-501-0687
NSN 5996-01-158-0086
NSN 5990-00-099-0822
NSN 6145-01-415-6127
NSN 6240-01-158-4266
NSN 5965-01-107-8549
NSN 5998-01-460-7180
NSN 2925-00-336-8364
NSN 6645-01-439-4240
NSN 4140-00-555-3856
NSN 5930-00-530-2367
NSN 6645-01-193-5214