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 6320-00-483-0451
NSN 6650-01-399-8552
NSN 5915-01-287-8188
NSN 5855-01-598-7392
NSN 6135-00-826-4798
NSN 4140-01-432-0292
NSN 6220-00-624-9028
NSN 6650-00-122-9452
NSN 6220-01-379-4528
NSN 5998-01-145-5199
NSN 5905-00-911-4408
NSN 6240-01-630-2702