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 6150-01-341-2807
NSN 5998-01-191-4438
NSN 6610-01-329-5503
NSN 5998-01-133-6410
NSN 5855-01-079-1259
NSN 6610-01-406-1601
NSN 5990-01-649-4647
NSN 5835-01-462-5628
NSN 6320-01-532-7491
NSN 5998-01-188-8325
NSN 5910-00-025-7326
NSN 5930-01-346-7059