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 5975-00-676-0928
NSN 5925-00-401-2739
NSN 5998-00-125-9497
NSN 6110-00-221-1868
NSN 5965-01-188-8530
NSN 5960-01-617-6345
NSN 6645-01-110-7397
NSN 5975-01-387-8161
NSN 4140-01-181-3213
NSN 5999-00-884-6434
NSN 5975-01-634-0678
NSN 6105-01-416-0672