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 6620-00-064-7992
NSN 5835-01-323-2581
NSN 5999-01-454-2828
NSN 2925-01-412-9520
NSN 7035-00-312-3055
NSN 5920-01-568-4887
NSN 5855-01-054-9014
NSN 6610-01-287-7176
NSN 6645-01-315-0720
NSN 5935-00-371-9645
NSN 7035-00-117-0418
NSN 5975-00-189-0093