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 5985-01-178-0316
NSN 6610-00-119-1591
NSN 5930-01-449-9560
NSN 7035-01-444-4240
NSN 5935-01-034-7798
NSN 6150-00-274-9422
NSN 5910-01-267-3504
NSN 6110-00-609-2772
NSN 6135-01-271-3966
NSN 5925-01-494-9820
NSN 6220-00-150-9637
NSN 5915-01-294-3140