Any material specifically designed and constructed to resist deterioration from the action of heat, gas, chemicals or liquids and used to create a tight seal. It is supplied in loose form or in coils, spirals, spools or cut lengths, usually having a square or round cross section. For rubber items having a round cross section, see rubber round section. Excludes rope, asbestos; calking cotton; and calking lead. See also packing, preformed; and oakum.
NSN 6620-01-528-7510
NSN 6645-01-353-3279
NSN 7035-01-524-4895
NSN 5996-01-025-5683
NSN 5905-01-631-4030
NSN 5925-01-302-7208
NSN 6110-01-435-4400
NSN 5996-01-371-2958
NSN 6145-00-005-8341
NSN 6320-00-886-9771
NSN 5998-01-085-0703
NSN 6145-01-660-2011