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 5855-01-222-0992
NSN 5930-01-549-8921
NSN 5835-00-703-3601
NSN 5935-01-643-0373
NSN 5910-00-087-5767
NSN 7035-01-013-9889
NSN 6685-01-282-2381
NSN 6685-01-392-7221
NSN 4140-01-199-5196
NSN 5935-01-207-9193
NSN 2925-01-632-3384
NSN 6150-00-896-0037