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 5945-00-650-8992
NSN 6135-01-425-7434
NSN 5895-01-244-7434
NSN 5930-01-323-7778
NSN 5905-00-838-4555
NSN 6105-01-480-5314
NSN 6645-01-356-8252
NSN 5990-01-218-5160
NSN 7035-01-209-5315
NSN 6240-01-440-9827
NSN 5935-01-338-7489
NSN 6145-01-150-0191