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 6645-01-381-2050
NSN 2925-01-203-0493
NSN 6320-01-268-3072
NSN 5935-00-426-0508
NSN 6130-00-725-6913
NSN 7035-01-515-3490
NSN 5950-00-952-5679
NSN 5835-01-442-6482
NSN 5999-00-403-6593
NSN 5835-01-580-0446
NSN 5925-01-179-4774
NSN 6135-00-826-4798