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 5950-00-450-2395
NSN 5996-01-512-2878
NSN 6240-00-021-1296
NSN 5925-00-421-0795
NSN 6135-01-461-2915
NSN 6645-00-021-6408
NSN 5930-01-530-2872
NSN 5998-01-285-1992
NSN 5975-01-186-4268
NSN 5990-01-463-5400
NSN 6650-00-520-4253
NSN 5960-01-323-6432