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 4140-00-283-6843
NSN 2925-00-801-8456
NSN 6220-01-625-4476
NSN 5985-00-269-3192
NSN 6105-01-396-5634
NSN 5905-01-098-8554
NSN 5935-00-209-6774
NSN 5965-00-803-1502
NSN 5960-00-038-1660
NSN 5985-01-014-6492
NSN 5915-01-344-0675
NSN 5855-01-147-4785