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 5895-00-525-3295
NSN 6130-01-524-0252
NSN 5950-01-374-8325
NSN 5930-01-327-3744
NSN 5999-01-088-8367
NSN 5925-01-305-7585
NSN 5999-01-536-1121
NSN 5985-01-411-6301
NSN 6320-01-592-6248
NSN 5990-01-443-2931
NSN 6220-00-244-2040
NSN 4140-01-087-2100