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 5985-00-125-7642
NSN 5895-01-634-0630
NSN 6610-01-310-3313
NSN 5915-01-537-1155
NSN 6110-01-546-5645
NSN 5965-00-052-9184
NSN 5975-01-529-7455
NSN 6685-01-303-7498
NSN 5895-01-113-7725
NSN 5945-01-428-4033
NSN 6135-01-380-4396
NSN 6145-01-115-6642