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 4140-01-521-2357
NSN 5905-01-128-9466
NSN 6685-00-706-9562
NSN 5965-00-583-4865
NSN 6110-01-050-4912
NSN 6240-00-364-0850
NSN 6145-01-406-0278
NSN 5910-01-454-6537
NSN 5960-01-162-6166
NSN 5945-00-473-3369
NSN 6150-01-327-4183
NSN 5998-00-756-2752