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 6620-01-420-1735
NSN 5915-01-058-5182
NSN 6610-01-065-1073
NSN 5990-01-097-4721
NSN 2925-00-684-7708
NSN 5935-00-262-5173
NSN 6240-00-586-6428
NSN 2925-00-185-1618
NSN 6220-01-573-4361
NSN 5960-01-282-2386
NSN 5950-01-030-4323
NSN 6650-00-296-4670