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 5935-00-269-5516
NSN 5935-01-182-4841
NSN 5996-01-341-6437
NSN 5930-01-229-6505
NSN 6320-01-503-7180
NSN 5855-00-058-1293
NSN 6610-00-161-7439
NSN 5935-00-643-9995
NSN 5960-00-269-4762
NSN 5855-01-581-4629
NSN 5990-00-312-6787
NSN 5996-01-019-5794