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 5990-01-205-5937
NSN 5915-00-882-5531
NSN 2925-01-604-8984
NSN 6130-00-514-1177
NSN 6645-00-527-6531
NSN 6610-01-487-3794
NSN 6685-01-468-4508
NSN 6645-01-546-8145
NSN 5915-01-433-4216
NSN 6110-01-511-0201
NSN 6645-00-068-9753
NSN 5920-00-469-2648