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 5905-00-258-7116
NSN 5999-01-013-7993
NSN 5930-00-341-7664
NSN 5996-00-081-3175
NSN 5965-01-187-4008
NSN 5998-01-010-0505
NSN 5920-00-848-0264
NSN 4140-01-076-3720
NSN 5855-00-014-5008
NSN 6685-01-153-0912
NSN 6685-01-407-2830
NSN 5920-00-956-4980