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 6320-01-019-1028
NSN 5920-00-778-9513
NSN 6650-00-762-0267
NSN 5950-01-210-7662
NSN 6130-01-368-5882
NSN 6130-01-286-7529
NSN 5895-01-322-6839
NSN 5930-01-449-8936
NSN 5990-01-525-2250
NSN 6320-01-390-5385
NSN 5935-01-514-6988
NSN 6220-01-288-8859