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 5895-01-067-8771
NSN 6685-01-144-8611
NSN 6645-01-430-8992
NSN 5905-01-502-6469
NSN 6220-01-495-3301
NSN 5935-01-470-7855
NSN 5945-00-855-7478
NSN 5998-01-044-3471
NSN 6150-01-352-5248
NSN 5945-01-219-1965
NSN 5985-01-434-5091
NSN 6320-01-592-6248