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 5930-01-312-9522
NSN 6145-01-237-0153
NSN 6135-01-393-4746
NSN 5925-01-251-1342
NSN 5996-00-234-3293
NSN 5920-01-424-8094
NSN 5999-01-309-6876
NSN 5998-01-329-4492
NSN 4140-01-015-0124
NSN 5855-00-797-8217
NSN 6240-00-921-4493
NSN 6320-01-496-4605