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 nesoi, of compressors other than refrigerating and air conditioning compressors
NSN 5999-01-406-0713
NSN 6135-01-440-9412
NSN 6135-01-185-3614
NSN 5996-01-443-4713
NSN 5965-00-246-5612
NSN 6650-01-207-2905
NSN 5960-01-462-1864
NSN 5905-01-433-2831
NSN 5855-01-350-2454
NSN 6220-00-263-4893
NSN 5895-00-160-4677
NSN 5935-01-466-0227