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 5835-00-216-4568
NSN 6610-01-138-8417
NSN 6145-00-078-9917
NSN 5925-01-552-1604
NSN 6240-00-861-2592
NSN 4140-00-450-1989
NSN 6650-01-437-8852
NSN 6620-01-095-5558
NSN 7035-00-104-7613
NSN 5835-01-508-2528
NSN 5835-01-360-2657
NSN 5998-01-020-6871