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 4140-00-825-7506
NSN 5960-01-570-8605
NSN 5915-01-646-6233
NSN 6610-01-248-4339
NSN 5905-01-398-7557
NSN 6145-01-332-4553
NSN 6110-01-633-9660
NSN 2925-00-110-4217
NSN 6130-01-088-3137
NSN 6650-01-558-2972
NSN 6650-01-333-9155
NSN 5910-01-340-8005