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 5960-01-254-3541
NSN 5999-01-332-4600
NSN 4140-00-876-5532
NSN 5895-01-527-0996
NSN 6645-01-540-7989
NSN 5895-01-222-9035
NSN 6240-00-533-1493
NSN 5905-01-268-4475
NSN 5920-00-938-7660
NSN 5925-00-983-8594
NSN 5855-01-455-4910
NSN 6645-01-017-3593