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 6130-01-452-1874
NSN 5925-00-924-0515
NSN 6145-01-262-9364
NSN 7035-01-421-7159
NSN 6130-01-409-2867
NSN 5895-00-552-9920
NSN 5985-00-275-7009
NSN 5895-01-643-4633
NSN 6220-01-131-8076
NSN 5910-00-506-6358
NSN 4140-01-479-2958
NSN 6645-01-004-0803