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 6320-01-274-2501
NSN 7035-00-020-2227
NSN 2925-01-301-1727
NSN 5915-01-396-4609
NSN 6220-01-162-3293
NSN 6645-00-974-2502
NSN 5996-00-839-3270
NSN 5915-01-108-7978
NSN 5920-00-378-1395
NSN 5975-01-280-5371
NSN 5985-00-449-6645
NSN 2925-00-759-5465