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 5990-01-231-9608
NSN 5965-00-303-9701
NSN 6610-00-173-4011
NSN 5965-01-500-1840
NSN 5998-01-463-8682
NSN 6145-01-095-8456
NSN 6650-01-357-7229
NSN 5915-01-079-0464
NSN 6620-00-330-3728
NSN 6145-01-271-0029
NSN 6240-00-468-7089
NSN 7035-00-929-0363