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 5910-00-528-5133
NSN 2925-01-518-9038
NSN 6240-01-610-4663
NSN 5975-00-838-0443
NSN 5990-00-932-3070
NSN 6145-00-465-1641
NSN 5915-01-160-7123
NSN 5985-01-478-9834
NSN 5905-01-443-1872
NSN 5910-00-829-8739
NSN 5985-01-548-8911
NSN 5910-01-419-6765