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 6620-00-635-7347
NSN 5930-01-488-5215
NSN 7035-01-584-6219
NSN 6145-01-549-3104
NSN 6320-01-086-2602
NSN 5915-01-472-3620
NSN 6220-00-647-3096
NSN 6685-00-180-8605
NSN 5975-01-502-1908
NSN 5920-00-768-5814
NSN 5920-00-387-5312
NSN 6150-01-656-0381