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 4140-01-222-3973
NSN 5945-01-088-2496
NSN 5920-01-186-6335
NSN 4140-00-255-2458
NSN 5920-00-412-3182
NSN 5965-01-179-7749
NSN 5935-01-573-7519
NSN 6145-01-145-1239
NSN 5905-00-299-7979
NSN 5925-01-429-0392
NSN 6105-00-952-5031
NSN 7035-01-199-6915