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 5925-01-351-5542
NSN 6685-01-411-3701
NSN 5920-01-071-5076
NSN 6620-00-816-9755
NSN 5975-01-505-3013
NSN 5996-01-381-6564
NSN 7035-00-104-7613
NSN 5905-01-388-1176
NSN 6145-01-057-9435
NSN 6240-01-558-8379
NSN 5945-01-588-6845
NSN 5975-01-145-3768