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 6220-00-599-4100
NSN 5855-01-558-9357
NSN 5975-00-169-5044
NSN 5960-00-281-0824
NSN 6650-01-037-1948
NSN 6240-01-073-9334
NSN 5998-00-197-7604
NSN 6650-00-269-5000
NSN 5945-01-659-8858
NSN 5925-01-100-8474
NSN 6320-00-925-0558
NSN 6685-00-900-2519