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 5910-00-158-8786
NSN 6610-00-498-5198
NSN 6105-01-498-9031
NSN 6105-01-430-2346
NSN 6145-01-231-6574
NSN 6620-01-456-0529
NSN 5835-01-116-2369
NSN 6650-00-555-1061
NSN 5965-01-205-3088
NSN 5999-01-526-4096
NSN 5905-00-481-8347
NSN 7035-01-526-0191