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 5999-01-301-4805
NSN 5999-01-239-7817
NSN 6685-00-862-7005
NSN 5990-01-465-8031
NSN 5895-01-157-9330
NSN 6645-00-496-7424
NSN 5945-01-078-0370
NSN 6220-00-943-8323
NSN 6145-01-120-7647
NSN 5950-00-185-5121
NSN 6620-00-453-8180
NSN 4140-01-370-1309