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 6240-00-144-4693
NSN 2925-01-161-7440
NSN 5925-00-205-2767
NSN 5985-01-320-7012
NSN 5999-00-170-3632
NSN 5975-01-190-6917
NSN 5996-01-618-8986
NSN 5960-01-325-2241
NSN 7035-01-122-1264
NSN 6145-01-028-3812
NSN 5975-01-217-4635
NSN 4140-01-030-5769