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 5990-01-113-8121
NSN 5945-01-053-5624
NSN 6240-01-352-3642
NSN 6620-00-193-9503
NSN 5975-00-830-7638
NSN 5975-01-464-3798
NSN 6610-01-514-3539
NSN 5855-00-484-8638
NSN 5996-01-258-0768
NSN 6650-00-520-4253
NSN 4140-01-030-8527
NSN 5925-01-600-2173