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 6145-01-200-2176
NSN 5990-01-554-8547
NSN 5910-00-935-6459
NSN 5975-00-882-6205
NSN 6620-01-248-0358
NSN 6135-01-408-9244
NSN 6135-01-382-1980
NSN 5920-00-311-3953
NSN 5925-00-986-7314
NSN 6645-01-470-0635
NSN 6620-01-415-1622
NSN 6620-01-305-4510