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 5930-00-319-4719
NSN 5998-00-203-1232
NSN 6645-00-054-8342
NSN 5945-01-550-9755
NSN 5996-00-876-0879
NSN 6220-01-594-3563
NSN 5925-01-025-7008
NSN 6645-01-397-7277
NSN 6620-00-221-7608
NSN 6135-01-380-4396
NSN 6320-01-521-1764
NSN 6685-01-579-4791