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 6220-00-898-3841
NSN 5999-01-055-5243
NSN 5905-01-369-8876
NSN 6150-01-200-0582
NSN 5985-01-338-8574
NSN 7035-01-159-9461
NSN 5965-01-178-2367
NSN 5975-01-437-7048
NSN 6685-00-737-5211
NSN 5998-01-182-9764
NSN 6650-01-250-8211
NSN 5960-00-356-8744