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 5985-01-216-5137
NSN 4140-00-419-6174
NSN 5855-01-037-7342
NSN 7035-00-756-4374
NSN 5999-00-504-7953
NSN 6685-00-458-8001
NSN 5905-00-853-6739
NSN 2925-01-424-0235
NSN 5945-01-205-5094
NSN 6105-01-545-5090
NSN 5910-00-775-2985
NSN 6645-00-116-1409