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 4140-01-065-3981
NSN 5855-01-409-1792
NSN 6150-01-146-4833
NSN 5915-00-318-8872
NSN 5935-01-408-1483
NSN 6130-01-509-2926
NSN 6220-01-441-6713
NSN 5920-00-291-1379
NSN 5930-01-426-0817
NSN 6105-00-541-6624
NSN 5996-00-284-9711
NSN 5945-00-391-6274