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 6105-01-500-6030
NSN 6240-01-633-9357
NSN 5975-01-393-5202
NSN 7035-00-574-4223
NSN 5950-00-517-9328
NSN 5915-00-948-9161
NSN 5930-01-328-8443
NSN 6105-01-085-5617
NSN 4140-01-340-8711
NSN 6105-00-350-6923
NSN 5985-01-653-1722
NSN 5935-01-091-2000