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 6320-00-977-3930
NSN 5855-00-973-5717
NSN 5985-01-417-4118
NSN 6150-00-456-6529
NSN 5910-01-633-9963
NSN 5960-00-557-6951
NSN 5835-00-422-1441
NSN 7035-00-483-3663
NSN 5935-01-114-5889
NSN 7035-01-179-1739
NSN 5990-00-021-3660
NSN 5895-01-573-4149