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 5930-01-162-9089
NSN 5975-01-178-7499
NSN 6610-01-406-4985
NSN 5999-00-633-7592
NSN 7035-01-029-7221
NSN 5835-00-089-7205
NSN 6685-00-441-1362
NSN 6650-01-477-2124
NSN 6145-01-020-8428
NSN 5985-01-138-6077
NSN 2925-01-094-4771
NSN 6685-01-463-9611