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 5930-00-082-1655
NSN 6110-00-271-9928
NSN 5895-01-165-9396
NSN 6150-00-269-5017
NSN 5835-01-014-4574
NSN 7035-01-353-6861
NSN 5855-01-162-5251
NSN 5985-01-144-1578
NSN 5910-01-619-0985
NSN 6645-01-453-8273
NSN 5950-01-508-4244
NSN 6150-01-425-2558