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 6240-01-419-1010
NSN 5990-01-027-1869
NSN 5910-00-973-2489
NSN 5990-01-623-0082
NSN 5925-00-866-3106
NSN 5975-01-359-0002
NSN 5915-00-138-5867
NSN 6240-01-291-1191
NSN 6220-01-201-4379
NSN 5925-01-519-2717
NSN 6610-00-420-8475
NSN 5998-01-428-5843