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 5985-01-307-7199
NSN 5920-00-382-8849
NSN 6110-00-202-2990
NSN 5925-01-371-2876
NSN 6650-01-408-3269
NSN 5965-00-408-5501
NSN 4140-01-139-4041
NSN 6685-00-008-5092
NSN 6320-01-078-8257
NSN 5895-00-568-8304
NSN 6220-01-212-9016
NSN 5935-00-184-8540