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 5935-00-161-4718
NSN 6220-01-170-6913
NSN 6240-01-517-4492
NSN 5975-00-646-8887
NSN 6130-01-202-8025
NSN 5965-00-402-7799
NSN 5998-01-200-6807
NSN 6320-01-562-1595
NSN 6105-00-526-8144
NSN 6135-01-503-1688
NSN 5915-01-429-0874
NSN 6220-01-210-5401