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 2925-01-394-5650
NSN 5960-00-565-9133
NSN 6685-01-658-2363
NSN 6645-00-899-1235
NSN 5895-01-238-3906
NSN 5996-01-341-0219
NSN 5975-01-051-3347
NSN 5975-00-143-4658
NSN 6240-00-643-4532
NSN 5998-01-420-6378
NSN 5945-01-089-7649
NSN 5835-01-536-5739