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 5965-01-574-2790
NSN 6130-01-180-3820
NSN 6110-01-362-0298
NSN 6685-01-343-0640
NSN 6220-00-191-4887
NSN 6145-01-478-7498
NSN 6650-00-388-4517
NSN 6610-01-472-2757
NSN 5855-01-501-5683
NSN 5910-01-365-0093
NSN 6645-00-389-3370
NSN 6220-01-648-1569