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 6610-00-371-5953
NSN 5998-00-277-7552
NSN 6240-01-461-3129
NSN 5999-00-917-5431
NSN 6130-01-236-7837
NSN 5975-01-307-1716
NSN 6135-00-660-8654
NSN 6240-01-241-5209
NSN 6240-01-598-5733
NSN 2925-01-076-6128
NSN 5950-01-291-7713
NSN 5910-01-278-1680