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 5915-00-534-5391
NSN 5950-00-279-4030
NSN 5895-01-386-3049
NSN 5996-01-298-2952
NSN 6650-01-538-6898
NSN 6220-00-011-5219
NSN 5910-01-069-3799
NSN 5999-01-136-2417
NSN 2925-01-069-5324
NSN 6110-01-362-3141
NSN 7035-00-360-2008
NSN 5920-00-812-7461