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 6320-01-426-8947
NSN 6150-01-598-8031
NSN 6645-01-216-8682
NSN 6130-01-526-7646
NSN 5920-00-405-8469
NSN 5990-01-373-1465
NSN 5930-01-249-9112
NSN 5975-01-502-7627
NSN 5925-00-511-3082
NSN 5905-01-076-4426
NSN 5935-00-284-6379
NSN 6220-00-284-3220