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 6645-01-384-0628
NSN 5835-01-158-6878
NSN 5999-01-099-7454
NSN 5960-01-119-4609
NSN 5915-00-961-1649
NSN 4140-01-634-0330
NSN 4140-00-592-3318
NSN 6645-00-551-8291
NSN 6620-01-052-2773
NSN 6620-00-464-6105
NSN 6645-01-594-1439
NSN 6240-00-997-4559