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 5990-01-468-1292
NSN 6685-01-501-9984
NSN 5998-01-198-2203
NSN 6220-00-539-8769
NSN 4140-01-351-2586
NSN 5990-00-878-1973
NSN 6685-01-473-0547
NSN 5910-01-269-9469
NSN 6105-01-293-5708
NSN 6145-00-246-2424
NSN 6650-01-104-6139
NSN 6685-00-473-2423