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 6320-01-173-7950
NSN 6645-01-111-0089
NSN 6610-01-429-7267
NSN 5915-01-605-3117
NSN 5999-00-111-2399
NSN 6240-00-725-2274
NSN 6135-00-087-5300
NSN 6685-01-212-5877
NSN 5945-00-639-9848
NSN 5990-01-474-3477
NSN 6645-01-513-4782
NSN 6645-01-244-4881