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 6150-01-145-6278
NSN 5915-00-081-5320
NSN 5996-01-400-0917
NSN 5990-01-170-0077
NSN 6685-01-172-5482
NSN 6105-01-534-2282
NSN 6620-00-082-1525
NSN 5950-01-323-8603
NSN 5915-01-432-2491
NSN 5930-01-291-7836
NSN 5855-01-522-2502
NSN 5965-01-381-2998