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 5945-01-352-5852
NSN 6135-00-577-3340
NSN 5985-00-864-3104
NSN 6150-01-591-5758
NSN 5945-01-068-3503
NSN 5895-01-410-8742
NSN 5960-00-340-3120
NSN 5965-01-617-5557
NSN 6135-01-271-7151
NSN 5935-00-594-7793
NSN 5960-01-233-2756
NSN 5920-01-554-4832