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 5960-00-344-9588
NSN 5990-00-242-3754
NSN 5945-00-206-2774
NSN 5990-00-281-4164
NSN 5960-00-934-3233
NSN 5960-00-431-8739
NSN 5855-01-562-6560
NSN 2925-01-014-8007
NSN 5996-01-158-2531
NSN 5950-01-135-6090
NSN 6610-01-369-7306
NSN 6685-01-503-6537