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 5930-00-812-2652
NSN 5935-01-220-5645
NSN 5965-01-361-4565
NSN 6110-01-219-1655
NSN 5925-01-399-6777
NSN 5855-01-421-6483
NSN 5965-00-931-8446
NSN 6650-01-386-1300
NSN 6685-00-234-8995
NSN 5975-01-452-7161
NSN 5925-01-300-1521
NSN 5975-01-654-8589