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 6110-01-406-4818
NSN 6645-01-592-2557
NSN 6610-00-837-3012
NSN 5999-01-322-1042
NSN 6650-01-624-0818
NSN 6650-01-246-4262
NSN 6150-00-548-2192
NSN 6240-01-652-5877
NSN 4140-00-552-7370
NSN 6610-00-239-8613
NSN 2925-00-149-0760
NSN 7035-00-270-5519