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 5895-01-243-0000
NSN 5998-00-896-6094
NSN 6620-01-641-4122
NSN 5930-01-501-1694
NSN 4140-01-241-3697
NSN 5990-01-026-8628
NSN 6685-01-483-0349
NSN 6105-01-152-1937
NSN 6145-01-164-4716
NSN 5910-01-198-6215
NSN 6105-01-019-8008
NSN 5930-01-303-0816