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 6240-01-631-6116
NSN 6645-01-421-4007
NSN 5996-00-997-6366
NSN 4140-01-517-9148
NSN 6685-01-342-9883
NSN 5945-01-504-6254
NSN 5925-01-612-6498
NSN 6645-01-366-4344
NSN 6685-01-401-5360
NSN 7035-01-487-4038
NSN 6650-01-343-8008
NSN 5925-01-603-7450