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 6320-00-857-4073
NSN 7035-01-387-8655
NSN 6320-00-422-9006
NSN 6645-00-300-0401
NSN 5925-01-014-2960
NSN 6240-01-569-4482
NSN 5998-01-569-7476
NSN 6110-01-237-6426
NSN 6105-00-491-9945
NSN 5925-01-142-1996
NSN 6320-01-301-4699
NSN 6620-01-145-1278