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 5990-01-442-3520
NSN 6130-00-797-8681
NSN 5925-00-790-4903
NSN 6135-01-246-0308
NSN 5920-01-499-9888
NSN 6610-01-555-8364
NSN 5960-00-195-4448
NSN 5905-00-141-9337
NSN 6620-01-519-2628
NSN 6685-00-481-9852
NSN 6105-00-764-0993
NSN 5945-01-508-9384