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 5975-01-461-7387
NSN 6620-00-388-0047
NSN 6645-01-523-8809
NSN 5996-00-325-6285
NSN 5920-01-229-8645
NSN 5950-00-016-7418
NSN 4140-01-423-1647
NSN 5855-00-228-8446
NSN 5915-01-330-5937
NSN 5998-01-249-2201
NSN 5925-00-089-2721
NSN 6105-01-243-5858