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 5855-01-201-4857
NSN 4140-00-343-8654
NSN 2925-00-806-7972
NSN 6610-00-935-7131
NSN 6220-01-455-0098
NSN 5998-01-400-6739
NSN 5920-00-194-9732
NSN 5975-01-316-4326
NSN 6645-01-228-9645
NSN 6220-01-578-5724
NSN 6105-01-009-6177
NSN 5925-01-050-1182