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 5950-01-502-3929
NSN 6650-00-917-0436
NSN 5835-01-079-9533
NSN 6685-01-449-0933
NSN 5915-01-518-7241
NSN 5950-01-425-2716
NSN 6135-00-050-7189
NSN 5920-00-631-3528
NSN 6650-00-299-9681
NSN 5910-00-986-8972
NSN 5950-01-375-2956
NSN 6240-01-142-2963