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.
NSN 6130-01-050-7036
NSN 5935-00-246-5280
NSN 6320-01-618-7800
NSN 6610-01-463-8866
NSN 6145-01-456-8069
NSN 5996-00-843-4463
NSN 6645-01-065-7036
NSN 5930-01-435-4566
NSN 2925-01-384-4139
NSN 5996-00-890-5254
NSN 6610-01-371-3006
NSN 6145-01-112-6714