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 5975-00-660-6652
NSN 5965-01-457-3543
NSN 5990-01-413-2405
NSN 5910-00-290-8093
NSN 5905-01-517-7416
NSN 6130-00-500-2293
NSN 5855-01-593-7384
NSN 6650-00-879-5834
NSN 5998-00-237-6522
NSN 6240-01-412-6426
NSN 5925-00-932-3027
NSN 6320-00-468-8421