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 5985-00-679-9529
NSN 6240-01-221-1378
NSN 2925-01-487-0886
NSN 5965-01-252-8701
NSN 6620-01-519-2628
NSN 5925-01-095-9990
NSN 5910-00-904-7540
NSN 6650-00-901-4914
NSN 5895-01-337-9928
NSN 5945-01-631-5431
NSN 2925-01-422-1542
NSN 5835-00-315-3797