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 2925-01-223-9593
NSN 6685-01-128-9788
NSN 6685-01-370-6725
NSN 5999-01-527-9662
NSN 6145-00-334-4115
NSN 6320-01-388-1067
NSN 6150-01-400-1297
NSN 5915-01-506-3910
NSN 6105-01-500-0891
NSN 5910-01-258-1356
NSN 5855-01-548-3035
NSN 6645-00-399-1862