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 5895-01-462-1811
NSN 2925-01-347-4208
NSN 5996-01-360-5635
NSN 5945-01-291-8519
NSN 6320-00-186-6452
NSN 6110-01-461-3612
NSN 6645-01-546-3212
NSN 6685-00-814-5271
NSN 6645-00-248-5434
NSN 6150-01-512-6704
NSN 6150-00-611-7059
NSN 2925-01-623-6438