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 5915-01-353-5442
NSN 5925-00-581-0393
NSN 5905-00-878-2576
NSN 5935-01-616-0666
NSN 6220-00-141-6150
NSN 6645-01-605-1485
NSN 6610-01-200-6861
NSN 4140-01-263-2180
NSN 6130-00-374-7540
NSN 6110-00-469-7981
NSN 6650-01-144-8436
NSN 5895-01-349-2025