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 5975-01-443-3167
NSN 5965-01-470-0393
NSN 5895-01-117-4876
NSN 5935-01-411-5980
NSN 5996-01-418-0677
NSN 6150-00-661-0184
NSN 5935-00-666-4877
NSN 4140-01-176-6876
NSN 5905-01-286-0381
NSN 6220-00-884-0769
NSN 5990-01-024-9659
NSN 7035-00-931-9415