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 6240-01-100-3696
NSN 5915-01-349-7609
NSN 5996-01-029-2904
NSN 6620-01-548-0353
NSN 6105-01-415-5555
NSN 5910-01-471-7220
NSN 5999-01-147-4844
NSN 5915-00-185-5355
NSN 6220-00-257-5183
NSN 5905-00-872-3252
NSN 4140-00-186-3062
NSN 5999-01-296-3051