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 5910-00-070-1575
NSN 6150-00-111-3528
NSN 5915-00-309-0514
NSN 6145-01-205-9320
NSN 5920-01-634-0250
NSN 6150-00-948-1797
NSN 5925-01-501-0727
NSN 6645-01-315-7886
NSN 2925-01-423-3003
NSN 4140-01-265-3736
NSN 6320-01-428-9205
NSN 5910-01-442-4553