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 4140-01-174-6634
NSN 5915-01-327-6637
NSN 6135-01-176-2206
NSN 6105-01-299-9885
NSN 5935-01-020-7159
NSN 6685-00-127-0934
NSN 7035-00-763-6180
NSN 2925-00-192-1166
NSN 5895-01-426-7513
NSN 6240-01-511-9778
NSN 6135-01-515-4260
NSN 6105-01-572-7492