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 4140-00-405-2192
NSN 5960-01-151-4518
NSN 7035-01-455-7277
NSN 5945-00-005-9719
NSN 5945-00-189-6571
NSN 5996-01-026-8807
NSN 6240-01-174-8354
NSN 5990-00-498-5934
NSN 6650-01-346-1992
NSN 5925-00-923-0593
NSN 5950-01-587-5969
NSN 6240-01-400-0570