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 5930-01-352-0473
NSN 5920-01-401-5315
NSN 7035-01-029-7221
NSN 5985-01-243-3128
NSN 6610-00-526-4803
NSN 5945-01-116-5472
NSN 5945-01-136-3310
NSN 6685-01-415-3117
NSN 6220-00-088-0580
NSN 5835-01-392-3105
NSN 5915-01-388-2911
NSN 5975-01-529-9461