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 5930-01-194-4477
NSN 6685-01-459-5047
NSN 5855-01-626-2085
NSN 6110-01-471-8413
NSN 6220-01-318-8918
NSN 5975-01-521-8675
NSN 6130-01-288-0660
NSN 6145-01-081-9004
NSN 5985-00-387-5974
NSN 6110-01-367-9454
NSN 2925-01-244-3016
NSN 5990-01-503-9804