This nsn no longer has navy irpod requirements
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 5996-01-135-9848
NSN 6645-00-140-5173
NSN 6135-00-087-5300
NSN 5915-01-645-4809
NSN 6105-01-461-2347
NSN 2925-01-330-2988
NSN 6620-00-010-8190
NSN 5965-01-127-0389
NSN 5930-00-752-2839
NSN 6320-01-362-4863
NSN 6130-00-021-4464
NSN 6240-01-021-7822