Number 2 open cell foam
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 4140-01-514-4573
NSN 6105-00-739-7957
NSN 5905-00-200-9709
NSN 5935-01-469-8037
NSN 5960-00-241-2911
NSN 5975-01-203-0263
NSN 5998-01-599-9907
NSN 5945-01-438-0598
NSN 6220-00-511-3934
NSN 6105-01-461-3213
NSN 6110-01-005-1242
NSN 6685-01-475-7700