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 6110-00-392-2894
NSN 6620-01-295-5341
NSN 2925-00-596-9775
NSN 6130-01-172-9489
NSN 5985-01-331-7015
NSN 6110-01-201-7939
NSN 5905-01-412-7466
NSN 5985-01-521-3006
NSN 6135-01-483-5269
NSN 5990-00-826-3846
NSN 6620-00-834-9430
NSN 5930-01-300-2495