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 6220-01-035-6335
NSN 5975-01-174-9375
NSN 4140-00-448-4306
NSN 5998-01-232-6710
NSN 5975-01-448-9405
NSN 5925-00-336-1992
NSN 6645-01-605-1485
NSN 6130-01-090-1214
NSN 6110-01-035-9228
NSN 2925-01-515-7026
NSN 5920-01-249-4544
NSN 5950-01-044-9289