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 5999-00-834-2729
NSN 6150-01-457-9171
NSN 5945-01-240-5263
NSN 5985-01-193-5323
NSN 2925-01-359-9818
NSN 6135-01-373-2518
NSN 6320-01-343-2482
NSN 4140-00-126-4685
NSN 5920-01-315-2801
NSN 6685-01-333-4007
NSN 6220-00-404-8004
NSN 5920-00-144-2535