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 5920-01-311-9812
NSN 5855-00-189-6066
NSN 6110-01-576-6679
NSN 5915-01-289-1187
NSN 5930-01-054-8213
NSN 6145-00-526-3056
NSN 5935-01-461-2604
NSN 5855-01-563-3470
NSN 6685-00-296-0392
NSN 6650-01-050-4809
NSN 6150-01-110-6588
NSN 6135-01-142-2417