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 6685-00-263-4545
NSN 5925-00-100-5760
NSN 5965-00-111-2073
NSN 5996-00-843-4463
NSN 5975-01-504-3958
NSN 5935-01-466-4165
NSN 6150-00-707-2321
NSN 5895-00-410-8836
NSN 7035-00-116-1900
NSN 7035-01-604-4501
NSN 4140-01-527-3438
NSN 2925-00-759-5465