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 5855-01-197-2774
NSN 6685-01-463-2485
NSN 4140-01-633-6618
NSN 5905-01-497-8000
NSN 5895-01-424-2283
NSN 5950-00-173-7105
NSN 6110-01-186-0010
NSN 5855-00-014-5008
NSN 4140-01-554-6384
NSN 5925-01-413-7673
NSN 5935-00-456-0271
NSN 5960-01-319-0276