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 5975-01-309-8912
NSN 6320-01-352-5653
NSN 6220-01-401-5337
NSN 5996-01-269-0685
NSN 6130-01-509-6070
NSN 6145-01-461-8062
NSN 6105-01-531-7141
NSN 5950-01-486-7457
NSN 6220-00-780-2326
NSN 5920-00-544-6564
NSN 6645-00-574-9712
NSN 5996-01-146-5765