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 6650-00-877-6972
NSN 6220-01-370-6148
NSN 6105-00-230-4085
NSN 6110-01-483-6168
NSN 6135-00-299-6918
NSN 5895-01-319-6727
NSN 6145-01-074-2200
NSN 6685-00-518-4237
NSN 5925-01-050-9032
NSN 6110-01-252-2509
NSN 5965-00-092-5717
NSN 6220-01-494-6099