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 5945-01-327-6736
NSN 5925-00-140-2359
NSN 6240-01-393-5945
NSN 5930-01-417-2595
NSN 5950-01-191-4091
NSN 5960-01-481-8051
NSN 5965-00-083-8157
NSN 6685-00-341-1877
NSN 6105-01-294-9019
NSN 6145-00-766-8437
NSN 4140-01-433-1192
NSN 5999-01-176-9258