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 6620-01-262-9489
NSN 6135-00-961-3603
NSN 6685-00-038-7886
NSN 5905-00-470-5395
NSN 6130-01-602-2417
NSN 5965-01-032-9146
NSN 6320-01-086-2602
NSN 6645-01-352-6583
NSN 5915-00-263-2175
NSN 5905-01-542-8836
NSN 6645-01-276-1029
NSN 6685-01-463-6061