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 5920-00-987-1605
NSN 5910-01-388-3735
NSN 6150-00-115-6649
NSN 5950-01-146-4329
NSN 5950-01-634-0677
NSN 5960-01-185-9884
NSN 5920-01-123-9358
NSN 5950-01-451-1994
NSN 5895-00-139-3053
NSN 5905-00-942-9764
NSN 5835-01-035-2976
NSN 5855-01-519-2486