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 6320-01-443-8676
NSN 5965-01-294-1396
NSN 5930-01-493-9130
NSN 4140-01-281-7706
NSN 5945-00-409-0197
NSN 6645-00-588-3157
NSN 6130-01-341-9690
NSN 5905-00-578-0998
NSN 5925-00-938-3447
NSN 2925-01-113-6904
NSN 5855-01-334-6594
NSN 6135-00-255-1340