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 5960-00-752-6175
NSN 5985-01-420-2589
NSN 5965-01-121-2511
NSN 6145-00-267-9617
NSN 7035-00-991-6877
NSN 6135-00-850-3177
NSN 5999-01-107-6440
NSN 6645-00-321-6071
NSN 5960-01-181-2143
NSN 4140-01-197-7658
NSN 5998-01-367-8879
NSN 6650-01-538-8776