A rigid metallic item, generally circular. It may be formed of segmented arcs. It is designed to prevent leakage of air in an engine, gas turbine, aircraft. It may be of various cross-sectional shapes. It may have mounting facilities. It may act as a spacer but its primary function is as an air seal.
Classification: Parts of gas turbine aircraft engines, other than for use in civil aircraft
NSN 2925-00-251-0105
NSN 5950-01-509-0296
NSN 5996-00-553-7348
NSN 6110-01-449-2685
NSN 5990-01-529-4679
NSN 5950-01-258-5819
NSN 6150-01-602-4159
NSN 6685-01-014-7235
NSN 6650-00-316-4889
NSN 6610-01-631-4355
NSN 5935-00-948-6219
NSN 6150-01-516-5130