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 5985-01-121-0140
NSN 6620-01-391-1920
NSN 5999-01-054-6445
NSN 5975-00-736-3420
NSN 5999-01-575-3130
NSN 5950-00-075-7234
NSN 5855-01-147-6024
NSN 6685-01-086-0246
NSN 6135-00-485-7402
NSN 5975-01-560-3349
NSN 6135-00-471-5356
NSN 6145-01-408-2802