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 5895-01-322-7982
NSN 5950-01-452-2665
NSN 5855-01-539-4296
NSN 6150-01-445-1860
NSN 6150-00-148-8515
NSN 4140-01-038-3532
NSN 6145-01-289-2596
NSN 6650-01-368-3286
NSN 5950-01-045-8329
NSN 6145-00-952-1815
NSN 6645-00-248-5434
NSN 6320-00-194-4252