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 6130-01-566-8790
NSN 5905-01-282-5464
NSN 6620-01-462-0001
NSN 6685-00-828-8881
NSN 6645-01-139-0156
NSN 4140-00-815-3513
NSN 2925-00-134-4827
NSN 5945-01-223-4611
NSN 6320-00-593-0379
NSN 5905-01-393-1471
NSN 6685-01-112-7658
NSN 6145-00-382-5115