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 5835-01-580-0446
NSN 5999-01-442-5744
NSN 6650-01-057-5438
NSN 2925-00-532-1481
NSN 7035-01-477-2818
NSN 6645-01-576-2691
NSN 6620-00-439-2442
NSN 6220-01-291-1452
NSN 6240-00-393-1161
NSN 5895-00-350-6711
NSN 6610-00-633-4338
NSN 2925-01-480-8273