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 6135-01-535-2307
NSN 5945-01-204-3507
NSN 5985-00-361-8863
NSN 2925-00-888-9551
NSN 2925-01-196-6187
NSN 6130-00-352-2317
NSN 6145-01-456-1396
NSN 6150-00-248-3866
NSN 5925-01-162-0760
NSN 7035-01-241-2127
NSN 5990-00-401-6793
NSN 5985-00-806-1961