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 5950-01-050-8445
NSN 6110-00-594-7640
NSN 6105-01-044-2559
NSN 5996-00-269-2655
NSN 5935-01-228-0718
NSN 4140-00-168-6184
NSN 6685-01-088-7317
NSN 6130-00-787-3024
NSN 5855-01-350-5540
NSN 6240-00-235-5159
NSN 5935-01-559-5915
NSN 6145-01-139-2158