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 6135-00-628-1142
NSN 6620-01-098-9866
NSN 6650-00-833-4002
NSN 6645-00-472-4048
NSN 5996-00-107-5357
NSN 5910-01-503-4769
NSN 5950-01-034-4099
NSN 6645-01-390-6520
NSN 6150-01-394-5282
NSN 5975-00-299-1202
NSN 6320-01-414-4568
NSN 6150-01-560-6097