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 5910-01-463-9061
NSN 5895-01-577-7027
NSN 6130-01-044-7373
NSN 5915-00-900-6391
NSN 5855-01-623-8582
NSN 6135-00-932-3136
NSN 5975-00-286-8506
NSN 5920-01-398-7123
NSN 6130-01-506-5888
NSN 5905-01-451-0236
NSN 5945-00-449-7057
NSN 5915-01-207-1416