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 4140-01-054-3553
NSN 5910-01-432-2214
NSN 6645-00-883-8086
NSN 5915-00-023-5154
NSN 5925-00-726-8085
NSN 6130-00-297-5793
NSN 5996-01-555-7690
NSN 6105-01-406-2077
NSN 5945-01-091-9840
NSN 7035-01-617-0072
NSN 5935-00-780-0971
NSN 5910-01-390-4315