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 5985-01-420-0944
NSN 4140-01-068-8513
NSN 6130-01-605-0942
NSN 6645-01-304-4308
NSN 6105-00-925-2226
NSN 5950-00-153-1959
NSN 6620-01-163-6932
NSN 5905-01-484-4881
NSN 5990-00-263-1289
NSN 5930-01-211-6679
NSN 5925-00-008-2653
NSN 6620-01-452-4034