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 5835-01-020-5650
NSN 5960-01-322-8417
NSN 5965-01-274-6468
NSN 7035-01-359-1761
NSN 5975-01-497-0121
NSN 6105-01-160-7429
NSN 5998-01-125-8894
NSN 4140-00-975-5070
NSN 6320-01-046-5228
NSN 6645-00-413-0461
NSN 5835-01-644-8013
NSN 6240-01-026-0032