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 5996-00-594-8587
NSN 5895-00-915-0873
NSN 5990-01-065-0492
NSN 7035-00-870-0290
NSN 7035-01-026-0117
NSN 6105-01-389-6772
NSN 5965-01-020-4104
NSN 5999-01-212-9507
NSN 5960-00-557-6951
NSN 4140-01-195-0372
NSN 5998-01-472-6259
NSN 5998-01-068-3352