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 5990-00-147-3144
NSN 5965-00-784-9409
NSN 5996-00-179-9583
NSN 5910-01-381-2110
NSN 6145-01-577-8803
NSN 5996-01-258-5888
NSN 5975-01-378-1387
NSN 5855-00-089-3974
NSN 6220-01-128-0087
NSN 5855-01-147-6024
NSN 5905-00-810-5914
NSN 6645-01-377-2553