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 5975-00-333-2749
NSN 6620-01-574-6774
NSN 5855-01-078-4180
NSN 5895-01-364-7900
NSN 5965-00-079-0928
NSN 5925-00-666-4753
NSN 5998-01-532-2309
NSN 5960-01-418-2641
NSN 6150-01-117-7534
NSN 5996-00-727-4408
NSN 6145-01-056-5515
NSN 6645-00-566-5537