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 6320-00-004-9158
NSN 4140-01-325-4031
NSN 5930-01-513-7608
NSN 6685-01-415-0574
NSN 5950-00-428-6313
NSN 6240-00-580-0666
NSN 5965-01-303-6105
NSN 5990-00-149-8181
NSN 5925-01-487-2292
NSN 6145-00-686-1195
NSN 5930-00-194-9139
NSN 6620-01-504-5756