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 5965-01-334-9275
NSN 6320-01-125-3361
NSN 5915-01-036-7067
NSN 6220-01-230-9744
NSN 4140-01-080-4824
NSN 5999-01-124-9695
NSN 5998-00-924-9103
NSN 5990-00-659-8067
NSN 4140-01-168-8796
NSN 6220-01-254-0091
NSN 5915-00-496-4034
NSN 5960-01-100-7381