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 6220-01-226-1776
NSN 6150-01-342-1124
NSN 6130-01-097-6363
NSN 6110-00-605-5634
NSN 6620-00-555-3992
NSN 5905-01-415-6056
NSN 6610-00-924-2828
NSN 6240-00-230-2716
NSN 5985-01-333-6637
NSN 6320-01-265-8703
NSN 5910-01-410-8501
NSN 6650-01-560-7812