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 6110-01-417-1811
NSN 6130-01-061-7306
NSN 5915-00-633-1217
NSN 5895-00-153-2595
NSN 6220-00-956-0565
NSN 6685-01-325-3636
NSN 6320-01-176-8367
NSN 5915-01-192-3224
NSN 6650-01-617-7059
NSN 5835-01-315-2745
NSN 6645-01-070-6342
NSN 5965-00-504-6753