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 5915-01-083-2170
NSN 5975-01-086-1127
NSN 5925-01-566-6935
NSN 5975-01-379-8325
NSN 6685-01-543-6131
NSN 5920-01-265-1873
NSN 5985-00-057-5427
NSN 6645-01-373-2262
NSN 4140-01-459-7411
NSN 5915-01-300-4900
NSN 5945-00-165-3815
NSN 6610-01-539-0014