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 5975-01-363-6462
NSN 5998-00-420-3019
NSN 6110-01-660-3102
NSN 6685-01-355-6190
NSN 6150-01-252-9365
NSN 5999-01-226-7201
NSN 6130-01-376-1625
NSN 5915-00-991-2257
NSN 6685-01-234-7456
NSN 5975-00-952-1791
NSN 7035-01-192-2659
NSN 6240-00-948-1108