As differentiated by non-asbestos material
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 6135-00-519-1325
NSN 6150-01-400-4211
NSN 6105-01-256-2159
NSN 5925-01-444-3308
NSN 6145-01-546-8837
NSN 5925-01-507-2824
NSN 5950-00-922-4823
NSN 6240-01-075-3476
NSN 5985-01-634-0635
NSN 7035-01-396-1089
NSN 6650-00-560-2411
NSN 5945-00-421-5870