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 5975-01-587-8917
NSN 5855-00-494-9581
NSN 5960-01-437-7422
NSN 6145-01-437-9078
NSN 6130-00-859-7870
NSN 5999-01-169-6052
NSN 5990-01-035-6869
NSN 5965-01-109-2917
NSN 6685-01-576-9204
NSN 6145-01-182-3448
NSN 5835-01-169-5330
NSN 6130-01-065-0541