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.
NSN 5935-00-632-8414
NSN 6650-00-373-9220
NSN 5960-00-096-7140
NSN 6685-01-593-2463
NSN 7035-01-509-1959
NSN 6130-00-577-8470
NSN 6110-01-065-3716
NSN 4140-01-359-6231
NSN 5996-01-331-5631
NSN 5975-00-678-5958
NSN 2925-01-187-0423
NSN 5910-01-331-6992