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 5999-00-234-2000
NSN 6145-01-542-8712
NSN 5835-01-045-6371
NSN 6685-01-323-2136
NSN 2925-01-502-2385
NSN 5910-01-116-1784
NSN 5930-01-076-4696
NSN 6130-01-205-8119
NSN 6110-01-052-2383
NSN 6130-01-069-6698
NSN 5920-01-576-6369
NSN 6220-01-464-1128