17 lb per cu ft density rating
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 5895-00-943-2614
NSN 6110-00-997-2603
NSN 6150-01-486-1948
NSN 6685-01-178-4140
NSN 6685-00-411-2367
NSN 5950-01-146-9112
NSN 5950-01-425-6348
NSN 6650-01-090-0719
NSN 5996-01-339-4539
NSN 5950-00-319-8589
NSN 5985-01-501-6184
NSN 6145-00-681-8569