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 6320-01-064-0372
NSN 6110-00-027-1351
NSN 5835-01-250-2939
NSN 6610-01-627-0642
NSN 6110-01-454-3545
NSN 5996-01-219-9512
NSN 6320-01-102-0799
NSN 5835-01-259-0859
NSN 6620-01-046-8623
NSN 5920-00-669-6892
NSN 5998-00-150-9041
NSN 6240-01-414-0077