Material is cork
A deformable material which prevents the passage of matter through the joint formed when two faces are joined. It may be metallic or nonmetallic, lubricated or impregnated, solid or hollow cross section. It may be made to any predetermined dimension and shape. Excludes flat disks, items made of felt material and items having joints. For round metal and plastic items with an aperture and a solid rectangular cross section, see washer, flat; shim; bearing, washer, thrust; and spacer ring. Excludes disk, valve; seal, nonmetallic angle; seal, nonmetallic channel; seal, nonmetallic special shaped section; shielding gasket, electronic; and ring, sealing jar.
NSN 5998-01-512-2222
NSN 5925-01-568-0393
NSN 5965-01-441-8826
NSN 5895-01-530-1993
NSN 6685-00-553-8733
NSN 5910-01-067-4263
NSN 6620-01-217-3216
NSN 6645-01-386-6311
NSN 5960-00-297-7099
NSN 5999-01-431-8728
NSN 5935-01-579-9841
NSN 6220-00-115-5842