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 5998-00-441-3591
NSN 5950-00-319-4088
NSN 6650-00-349-8732
NSN 5965-00-871-8987
NSN 5990-01-199-2846
NSN 5996-00-205-2933
NSN 7035-01-183-7550
NSN 6135-01-386-5709
NSN 6130-01-289-4801
NSN 6145-01-497-5284
NSN 6620-01-519-2628
NSN 6620-00-836-0399