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 5960-01-369-8666
NSN 5990-00-503-0598
NSN 5915-00-337-6698
NSN 6320-00-225-7013
NSN 5835-00-137-2412
NSN 5935-01-463-9025
NSN 5930-01-614-9081
NSN 5935-01-483-1115
NSN 4140-00-781-5700
NSN 5985-01-233-9650
NSN 6320-01-452-2394
NSN 4140-01-104-4727