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 5998-01-478-7620
NSN 6610-01-322-4331
NSN 6620-01-227-9640
NSN 6150-01-476-1597
NSN 4140-01-541-4286
NSN 5996-01-375-1535
NSN 5905-00-483-4604
NSN 5985-00-215-4736
NSN 5996-01-056-4952
NSN 5996-00-553-7348
NSN 5925-00-917-9439
NSN 6685-01-519-8649