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 6685-00-100-4753
NSN 5835-01-068-4214
NSN 4140-00-099-9205
NSN 5855-01-490-2749
NSN 5996-00-930-4466
NSN 6130-01-158-2931
NSN 5990-00-686-4902
NSN 6645-01-359-5769
NSN 6610-01-324-7017
NSN 5975-00-570-9598
NSN 6105-01-026-0165
NSN 5895-00-163-5226