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 5915-00-823-4980
NSN 2925-00-284-1534
NSN 5895-00-192-3854
NSN 6135-00-080-9176
NSN 5999-01-627-2686
NSN 5905-01-326-6668
NSN 6320-01-643-0850
NSN 5905-00-239-3453
NSN 5930-01-394-2187
NSN 2925-01-556-0333
NSN 5895-01-469-7580
NSN 6645-00-248-5434