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 6650-00-144-4555
NSN 6645-01-241-4300
NSN 5965-00-823-8623
NSN 5895-01-206-5280
NSN 5999-01-120-0046
NSN 5999-01-206-4464
NSN 5965-00-281-0319
NSN 5999-00-432-5771
NSN 6105-01-177-7476
NSN 5920-01-540-3428
NSN 6620-00-914-2742
NSN 6145-00-861-6035