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 5990-01-259-7138
NSN 5855-01-114-3513
NSN 5965-01-194-3453
NSN 6150-00-193-9655
NSN 6145-00-011-2390
NSN 6150-01-068-3787
NSN 6620-00-280-2874
NSN 6685-00-112-7040
NSN 5990-00-269-2226
NSN 5965-00-849-1313
NSN 5996-01-506-3645
NSN 5999-01-467-9007