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 5910-01-442-8240
NSN 2925-01-161-7440
NSN 5965-01-332-0622
NSN 6135-01-231-4809
NSN 5910-01-560-4230
NSN 5895-00-756-9721
NSN 5965-00-997-5764
NSN 5835-00-494-3710
NSN 6645-01-607-5999
NSN 2925-00-243-6841
NSN 5920-01-496-2513
NSN 5999-00-409-4505