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 5999-01-306-5617
NSN 7035-01-487-6481
NSN 5965-01-525-4597
NSN 4140-01-652-0633
NSN 6110-01-423-1655
NSN 5998-00-849-3362
NSN 5920-01-197-8397
NSN 5996-01-202-9338
NSN 6645-01-528-7152
NSN 7035-00-679-9027
NSN 5945-01-054-3235
NSN 6650-00-196-5311