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 5930-01-433-8047
NSN 5925-01-125-5795
NSN 5960-00-222-7772
NSN 6240-00-643-4532
NSN 5915-00-205-2615
NSN 7035-01-182-1086
NSN 6150-01-568-1717
NSN 5975-01-108-9403
NSN 5998-01-514-0979
NSN 6220-01-031-6919
NSN 7035-01-348-5153
NSN 6685-00-900-8060