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 5835-01-192-4165
NSN 5925-01-204-9441
NSN 5855-01-634-0259
NSN 5960-00-994-0783
NSN 6650-01-584-3208
NSN 5996-00-518-0460
NSN 4140-01-238-9219
NSN 5930-01-538-6815
NSN 5960-00-204-7506
NSN 6685-00-700-4817
NSN 6150-01-142-2079
NSN 5905-01-609-0604