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 5965-00-404-0486
NSN 5950-00-498-5761
NSN 5910-01-178-0004
NSN 6220-01-458-7068
NSN 6110-01-472-1963
NSN 5960-01-250-1095
NSN 5975-00-955-7994
NSN 6620-01-168-8450
NSN 6650-00-144-4555
NSN 7035-00-890-7649
NSN 6130-00-752-8125
NSN 2925-01-041-2360