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 5920-01-420-3753
NSN 5855-01-371-1010
NSN 5910-00-127-2543
NSN 6320-01-225-0178
NSN 5975-00-678-5958
NSN 6105-01-490-0299
NSN 5895-01-558-4520
NSN 6645-01-426-7652
NSN 5998-01-630-0820
NSN 6135-01-599-4006
NSN 6220-00-076-0428
NSN 6150-01-286-7420