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 5960-01-362-1213
NSN 6620-01-306-1347
NSN 5925-01-623-5358
NSN 6220-00-074-4224
NSN 6150-01-064-1662
NSN 5996-01-501-7889
NSN 6150-01-096-9056
NSN 6220-01-153-1937
NSN 6240-01-624-5371
NSN 6645-00-551-8291
NSN 5985-00-486-0224
NSN 5985-00-866-2852