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 2925-01-501-1104
NSN 5905-00-081-3461
NSN 6320-00-937-5625
NSN 4140-01-512-0744
NSN 6145-01-156-5219
NSN 5945-01-267-8356
NSN 6320-00-809-5744
NSN 5905-01-588-1369
NSN 2925-00-026-0005
NSN 5915-00-226-0910
NSN 6620-01-625-2855
NSN 5905-00-796-3713