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 5910-01-143-9907
NSN 5975-01-448-2098
NSN 7035-01-551-1240
NSN 6320-00-004-9158
NSN 6150-01-481-0089
NSN 5835-01-028-4007
NSN 5895-01-434-3188
NSN 5915-00-491-0653
NSN 5999-01-649-1451
NSN 5905-00-689-1489
NSN 6685-00-851-3519
NSN 5965-01-464-0220