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 6145-01-430-0099
NSN 5930-01-100-1244
NSN 5985-01-555-8768
NSN 5930-01-500-1799
NSN 6685-00-961-8293
NSN 5990-01-629-4694
NSN 5915-01-556-4282
NSN 2925-01-578-7731
NSN 4140-00-421-4555
NSN 6610-00-353-5461
NSN 5985-00-545-2071
NSN 5960-01-327-0334