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 5930-01-283-3299
NSN 5996-01-550-8867
NSN 5925-00-248-4331
NSN 5920-00-881-0359
NSN 6150-00-247-6246
NSN 4140-01-434-3013
NSN 6150-01-067-7759
NSN 5985-01-302-4577
NSN 5999-01-116-3392
NSN 6240-00-960-8458
NSN 5915-01-366-9850
NSN 6240-01-224-7656