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 6620-00-766-1002
NSN 4140-01-186-3243
NSN 6110-01-241-0537
NSN 6685-00-228-9363
NSN 6105-01-437-6431
NSN 6620-01-382-7392
NSN 5996-00-130-5376
NSN 6320-01-193-8606
NSN 5835-00-264-0946
NSN 5996-00-428-8130
NSN 6105-01-193-2054
NSN 5915-01-508-5636