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 5960-01-632-6576
NSN 5930-01-281-0646
NSN 5835-01-568-7796
NSN 5985-00-501-2866
NSN 6645-01-437-5290
NSN 6685-01-460-9884
NSN 5895-01-083-6761
NSN 7035-01-519-3253
NSN 5930-00-659-3451
NSN 5915-01-237-4894
NSN 5935-01-581-8909
NSN 4140-00-988-5427