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 6130-01-627-1438
NSN 6240-01-197-0489
NSN 6135-01-217-8810
NSN 6645-01-023-8020
NSN 5935-01-227-7763
NSN 6240-01-177-9361
NSN 5930-01-588-1434
NSN 5945-01-219-9624
NSN 6620-00-176-5722
NSN 5998-01-620-7981
NSN 5965-01-146-6762
NSN 5945-00-927-9858