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 5915-01-415-4649
NSN 5965-00-028-9646
NSN 5945-00-650-8992
NSN 2925-00-069-9588
NSN 5855-01-234-5346
NSN 6220-00-990-6016
NSN 5965-00-342-5126
NSN 5996-01-491-0178
NSN 6145-00-062-6719
NSN 2925-00-185-1618
NSN 6685-00-873-2576
NSN 5985-00-435-9756