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 5905-01-422-1670
NSN 6105-00-981-0187
NSN 5895-01-468-8142
NSN 6150-01-104-4323
NSN 6150-01-534-6854
NSN 6645-01-185-7684
NSN 5895-01-197-1847
NSN 6135-01-604-8739
NSN 5930-00-816-6066
NSN 5990-01-268-6767
NSN 5930-01-584-0809
NSN 5998-00-791-5204