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 5990-00-315-5955
NSN 6620-00-160-0844
NSN 5905-01-641-4543
NSN 6110-01-295-2164
NSN 5950-01-551-1202
NSN 5996-01-095-1356
NSN 5920-01-267-8174
NSN 5855-01-109-6433
NSN 6135-01-151-2705
NSN 6130-01-621-0294
NSN 5910-01-071-7763
NSN 5985-00-071-1401