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 5960-01-256-6956
NSN 5990-00-518-0684
NSN 6620-01-408-4464
NSN 5990-01-382-5364
NSN 5960-00-344-1861
NSN 5999-01-328-7930
NSN 5895-01-088-6772
NSN 5835-01-408-7576
NSN 5975-01-365-1645
NSN 6685-00-128-2318
NSN 5915-01-248-3334
NSN 5835-00-953-9224