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 5915-01-336-3957
NSN 5950-01-640-7387
NSN 5920-01-044-4877
NSN 5965-01-511-8504
NSN 6145-01-204-9324
NSN 6135-00-548-2765
NSN 5990-01-348-2497
NSN 5905-00-815-4997
NSN 5945-01-363-0885
NSN 6135-00-297-8873
NSN 5950-01-188-7405
NSN 5925-00-529-3950