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 6320-01-643-0850
NSN 4140-01-607-1537
NSN 6620-01-287-8073
NSN 5920-01-394-5003
NSN 4140-00-913-6072
NSN 5930-01-288-8713
NSN 5998-01-556-3200
NSN 5996-00-272-2560
NSN 5985-00-965-7100
NSN 5835-00-665-3395
NSN 6220-00-479-9171
NSN 7035-00-513-9764