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 7035-01-491-3981
NSN 5910-01-157-3061
NSN 5960-00-153-7115
NSN 6610-00-038-3423
NSN 5965-01-422-3232
NSN 5930-01-240-0476
NSN 6150-01-499-1630
NSN 5960-01-323-6432
NSN 6105-01-391-5285
NSN 5950-00-911-7015
NSN 6240-00-518-3541
NSN 6220-01-319-2580