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 6620-01-319-9804
NSN 5950-01-615-6587
NSN 6320-00-731-6134
NSN 5965-01-188-8530
NSN 5925-01-545-6829
NSN 5998-01-634-0604
NSN 2925-01-285-7163
NSN 5998-01-608-9133
NSN 5965-00-931-8446
NSN 6620-00-435-4041
NSN 5835-00-221-6628
NSN 5975-01-621-4613