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 4140-00-526-4505
NSN 5895-00-459-0966
NSN 4140-00-798-9144
NSN 5855-01-600-4130
NSN 5965-00-188-5531
NSN 6650-00-147-8765
NSN 6130-00-146-1525
NSN 6610-00-264-0961
NSN 5910-01-029-3959
NSN 6135-01-066-6904
NSN 6240-01-371-3020
NSN 6610-01-447-2560