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 6650-00-547-4557
NSN 6220-01-168-7773
NSN 7035-01-387-0493
NSN 5985-01-228-5695
NSN 6150-01-367-7091
NSN 5945-01-229-5721
NSN 4140-01-426-8428
NSN 5930-01-534-6327
NSN 5855-01-496-9865
NSN 5985-00-881-1553
NSN 5950-01-005-1532
NSN 6110-01-586-3479