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 5985-00-683-5592
NSN 5998-01-359-4780
NSN 6320-01-089-9086
NSN 5920-01-187-0402
NSN 5998-01-543-4081
NSN 6320-00-886-9771
NSN 5965-00-671-4119
NSN 6145-00-812-7742
NSN 7035-01-406-6510
NSN 6220-00-906-0678
NSN 5920-01-371-9688
NSN 6110-00-171-2214