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 5985-00-967-1985
NSN 5895-01-310-4915
NSN 5915-01-582-0963
NSN 5975-00-430-8082
NSN 6130-01-257-4098
NSN 5996-00-050-6570
NSN 5965-01-395-0104
NSN 6145-01-650-9410
NSN 5905-01-634-0595
NSN 6610-01-287-9814
NSN 6685-01-099-4046
NSN 5975-01-087-6426