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 6685-00-168-9735
NSN 6320-01-459-6992
NSN 5999-00-254-5759
NSN 5990-01-352-5255
NSN 5925-00-617-7058
NSN 6135-01-022-5427
NSN 6320-00-036-3688
NSN 6650-00-331-2232
NSN 6650-01-307-3207
NSN 5999-00-935-8684
NSN 7035-01-617-0072
NSN 5855-01-236-9645