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 5895-01-265-2547
NSN 2925-01-582-9903
NSN 5855-00-797-8217
NSN 6150-00-010-1416
NSN 6150-00-889-1245
NSN 6320-01-064-0372
NSN 5999-01-645-3049
NSN 5855-01-452-1406
NSN 5985-01-140-1559
NSN 5930-00-236-3514
NSN 6110-00-636-1234
NSN 6135-00-087-5300