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 5925-01-530-1230
NSN 5920-01-520-6122
NSN 5935-01-102-6360
NSN 6110-01-476-7742
NSN 5975-00-518-3275
NSN 5905-01-416-4440
NSN 6620-01-506-1003
NSN 6320-01-399-6177
NSN 5930-01-650-6074
NSN 5998-01-606-9940
NSN 5920-01-591-6749
NSN 5915-00-061-6675