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 5960-00-788-2976
NSN 6650-01-429-9242
NSN 6135-01-134-7222
NSN 6610-00-357-2937
NSN 6220-01-161-8199
NSN 5990-01-551-4356
NSN 6685-01-085-4352
NSN 4140-01-457-5539
NSN 5905-00-451-4368
NSN 5935-00-753-7895
NSN 6135-01-428-8821
NSN 6220-01-493-5148