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 6645-01-657-2604
NSN 5998-01-105-1335
NSN 6240-00-051-1261
NSN 6135-01-633-8502
NSN 2925-01-439-4451
NSN 5915-01-089-7146
NSN 5895-01-634-0630
NSN 5835-01-351-8429
NSN 5960-00-061-1226
NSN 5835-01-133-1959
NSN 5996-01-646-5174
NSN 6320-01-281-6028