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 5855-01-465-9791
NSN 5935-01-509-9820
NSN 6240-01-255-5080
NSN 5925-01-097-7046
NSN 5935-01-130-5367
NSN 5895-01-551-1305
NSN 6650-00-367-9230
NSN 5915-00-138-0185
NSN 6685-01-378-8377
NSN 5996-00-205-2933
NSN 5910-01-360-3339
NSN 5975-01-411-6054