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 6135-00-613-1068
NSN 5975-01-243-6831
NSN 6145-01-023-9263
NSN 5975-01-349-7082
NSN 6150-01-140-4608
NSN 5960-01-041-3048
NSN 6320-01-220-2264
NSN 6130-01-015-5546
NSN 5835-00-604-2026
NSN 5985-00-122-5041
NSN 5965-01-396-7508
NSN 5920-00-862-5820