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 6220-01-370-4215
NSN 2925-01-570-3690
NSN 6685-00-527-7249
NSN 6150-01-644-8065
NSN 5905-00-490-7247
NSN 6145-00-043-2874
NSN 5930-01-353-7398
NSN 5960-01-449-1310
NSN 5920-00-736-7882
NSN 4140-00-823-9194
NSN 6130-00-942-6878
NSN 5925-00-217-6381