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 6650-01-381-7172
NSN 5920-00-246-5992
NSN 5975-01-324-1662
NSN 5960-00-855-8792
NSN 6645-01-517-1539
NSN 6105-01-513-9330
NSN 5960-01-107-3272
NSN 5985-00-863-0450
NSN 5935-00-081-2270
NSN 5925-00-944-3848
NSN 6620-01-423-7300
NSN 5915-00-711-9512