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 6110-00-961-1100
NSN 5925-01-129-9074
NSN 5930-01-299-0325
NSN 5855-01-165-6361
NSN 6650-01-329-0490
NSN 4140-01-210-2212
NSN 5910-01-454-9298
NSN 5996-01-604-9653
NSN 6650-01-132-6860
NSN 5905-01-118-6330
NSN 6240-01-575-5049
NSN 5975-01-338-3684