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 5930-01-449-2817
NSN 5930-01-319-0437
NSN 6130-01-090-0631
NSN 5996-00-610-3275
NSN 6620-00-316-2167
NSN 6135-01-447-3086
NSN 6685-01-259-9863
NSN 6145-01-353-6211
NSN 5910-01-054-4091
NSN 5855-00-089-3974
NSN 6685-00-287-7564
NSN 5960-01-190-7054