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 6645-01-188-2918
NSN 5965-01-130-5952
NSN 6685-01-476-3276
NSN 5996-00-389-7404
NSN 5905-01-486-6167
NSN 6645-01-400-1137
NSN 5925-01-141-7973
NSN 5975-00-406-4753
NSN 5935-00-891-6160
NSN 5945-01-202-8119
NSN 5910-01-648-4656
NSN 5999-01-486-0410