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 5975-00-268-8231
NSN 5905-01-245-6162
NSN 5855-00-466-2309
NSN 6650-01-025-7425
NSN 5915-01-424-0767
NSN 5935-00-782-8918
NSN 5905-00-827-0302
NSN 5998-01-470-5681
NSN 6105-01-482-4062
NSN 5990-01-090-9312
NSN 6240-01-252-8850
NSN 2925-00-180-2532