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 6320-01-504-3948
NSN 5895-01-395-5509
NSN 6145-01-623-8460
NSN 5996-00-205-0211
NSN 6135-00-951-3426
NSN 5998-00-152-4279
NSN 6130-01-084-4250
NSN 5905-01-476-8224
NSN 5835-00-757-3558
NSN 4140-00-523-9058
NSN 5930-00-531-0541
NSN 6135-01-084-1609