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 5945-01-659-4666
NSN 4140-01-277-2548
NSN 6135-01-316-9794
NSN 5998-00-469-3404
NSN 4140-00-557-7001
NSN 5965-01-215-3184
NSN 5920-01-570-2714
NSN 5975-01-006-2808
NSN 5960-01-063-2009
NSN 6130-00-187-0211
NSN 6145-00-019-0047
NSN 5925-01-398-8244