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 6685-00-102-4958
NSN 5915-01-212-2857
NSN 5999-00-585-3338
NSN 5945-01-396-4785
NSN 5950-01-147-9442
NSN 5945-00-824-2394
NSN 5945-00-115-1090
NSN 4140-01-167-2812
NSN 5990-00-020-1048
NSN 6650-01-609-8131
NSN 6610-00-221-6124
NSN 6620-01-601-7491