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 5855-01-379-3160
NSN 5965-01-195-2168
NSN 6110-01-227-8597
NSN 5990-00-033-8128
NSN 6320-01-452-2394
NSN 2925-00-596-9775
NSN 2925-00-149-0760
NSN 5945-01-467-2877
NSN 6650-00-401-7896
NSN 6135-01-539-1167
NSN 6150-00-471-9601
NSN 5996-01-467-0580