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 6220-01-152-2637
NSN 5950-00-513-9596
NSN 6645-01-116-9634
NSN 6135-01-151-2705
NSN 6110-01-422-2619
NSN 6620-00-893-1303
NSN 5910-01-479-1481
NSN 6645-01-283-1476
NSN 6220-01-337-5333
NSN 6105-00-724-9472
NSN 5915-01-236-6734
NSN 5950-01-521-2083