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 5930-00-353-2105
NSN 5945-00-639-9848
NSN 5835-01-479-7908
NSN 5945-01-544-1578
NSN 5920-01-383-4338
NSN 5999-01-474-5011
NSN 6110-00-470-9741
NSN 6105-01-193-8876
NSN 6650-01-572-3490
NSN 6135-01-093-7426
NSN 4140-01-437-8431
NSN 6320-00-149-7570