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 5895-00-745-7800
NSN 5930-01-545-4838
NSN 6610-00-652-2403
NSN 5990-01-278-9985
NSN 6105-01-227-5159
NSN 7035-01-243-8523
NSN 5950-01-483-1075
NSN 5975-00-297-3940
NSN 5945-00-204-9949
NSN 6320-01-564-0893
NSN 5985-00-773-7311
NSN 7035-01-202-8172