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 5910-00-089-8999
NSN 6110-01-222-6192
NSN 5935-00-792-4593
NSN 6610-01-065-1073
NSN 6620-01-112-6440
NSN 5998-01-206-5909
NSN 4140-00-318-7427
NSN 6610-00-647-3830
NSN 7035-01-526-5393
NSN 6645-01-322-8897
NSN 5910-01-074-3414
NSN 5965-00-285-0745