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 5950-01-655-2506
NSN 6220-01-078-5195
NSN 6610-01-383-6982
NSN 6220-01-512-7044
NSN 6610-01-400-3880
NSN 5990-01-633-9503
NSN 5985-01-461-8380
NSN 6135-01-226-4071
NSN 6620-00-246-5159
NSN 6150-01-326-3707
NSN 5996-01-049-0851
NSN 6620-00-216-6416