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 6610-00-506-1977
NSN 5990-00-288-1820
NSN 6135-00-016-0071
NSN 5965-01-556-3097
NSN 5975-01-418-3506
NSN 6145-01-310-7114
NSN 5930-01-422-4914
NSN 5985-01-158-5645
NSN 6685-00-727-4906
NSN 5915-01-094-7847
NSN 5920-01-570-9825
NSN 5960-00-137-4751