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 6620-00-930-5615
NSN 5905-01-008-0751
NSN 5975-01-643-4904
NSN 6645-01-585-0018
NSN 6220-01-634-0660
NSN 5915-01-157-2791
NSN 5920-00-910-4531
NSN 2925-00-456-7627
NSN 5920-01-634-0250
NSN 2925-00-626-5027
NSN 6645-00-692-2809
NSN 6685-01-249-2446