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 5950-00-035-5000
NSN 6645-00-991-8704
NSN 4140-01-287-5429
NSN 6150-01-449-9917
NSN 5950-01-485-7289
NSN 5910-01-179-5286
NSN 5855-00-427-7848
NSN 5930-01-183-5455
NSN 5996-01-569-6049
NSN 5960-01-112-8273
NSN 6110-01-528-9678
NSN 5999-01-105-2050