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 4140-00-381-4563
NSN 5855-01-624-6804
NSN 5935-00-679-9663
NSN 6240-01-008-9688
NSN 5998-01-631-5884
NSN 5985-01-507-5178
NSN 5925-01-480-4146
NSN 4140-00-881-1052
NSN 5999-01-063-9041
NSN 5945-01-644-1371
NSN 4140-01-452-2098
NSN 5935-01-143-8429