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 5835-00-279-1594
NSN 5910-00-306-5980
NSN 5945-00-825-3206
NSN 5855-01-634-0259
NSN 5945-01-529-6201
NSN 6130-01-607-8366
NSN 5910-00-240-9879
NSN 6620-00-383-8740
NSN 6645-01-135-7919
NSN 5975-01-411-0466
NSN 6135-01-375-2021
NSN 7035-01-106-0366