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 4140-01-210-2212
NSN 5945-01-527-9694
NSN 7035-00-465-3298
NSN 5965-01-493-8263
NSN 5835-01-510-1873
NSN 6650-01-313-7460
NSN 5835-01-626-9603
NSN 5975-00-076-5709
NSN 6645-01-052-4069
NSN 5835-01-452-7081
NSN 6240-00-607-4303
NSN 6220-00-175-7849