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 5985-00-244-5147
NSN 6610-01-337-4640
NSN 5925-01-263-9592
NSN 6150-01-120-8487
NSN 5835-01-447-2544
NSN 6610-01-556-2353
NSN 5895-01-545-0935
NSN 5930-01-148-6697
NSN 5915-01-322-9904
NSN 5990-00-770-6975
NSN 6645-01-280-5395
NSN 5905-01-206-5442