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 6220-01-534-8161
NSN 5920-01-406-2960
NSN 5965-01-089-8579
NSN 6135-00-403-0213
NSN 5915-01-382-9383
NSN 6645-01-301-9462
NSN 5925-01-509-4582
NSN 5945-01-547-3588
NSN 5930-00-099-0534
NSN 5975-01-542-9066
NSN 5945-01-054-3722
NSN 5950-00-491-4840