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 6150-00-050-0910
NSN 5999-01-043-8175
NSN 4140-01-449-2903
NSN 6240-00-617-1818
NSN 5835-00-231-9544
NSN 5945-01-100-4045
NSN 5935-00-471-4225
NSN 5990-01-243-4233
NSN 6240-00-194-7924
NSN 5945-01-378-6152
NSN 5960-00-912-7630
NSN 6150-01-542-1719