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 4140-01-519-1870
NSN 6610-00-184-0833
NSN 5930-00-715-9621
NSN 6620-01-630-6759
NSN 5855-01-657-7657
NSN 6240-00-079-1759
NSN 6620-00-770-9794
NSN 5998-00-343-0732
NSN 6685-01-090-1203
NSN 6620-00-172-9222
NSN 5855-01-457-3608
NSN 4140-00-186-3062