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 5930-01-443-3993
NSN 6610-00-179-5254
NSN 5910-00-170-5223
NSN 5855-01-414-6265
NSN 2925-00-540-9918
NSN 6610-00-200-8832
NSN 5935-01-168-8781
NSN 6135-01-230-4399
NSN 5835-01-564-3486
NSN 5930-00-528-1651
NSN 6150-01-499-4242
NSN 6645-01-025-1002