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 5935-01-172-3973
NSN 5915-01-550-1406
NSN 5915-01-042-0568
NSN 6610-01-277-6333
NSN 5930-01-305-5981
NSN 6240-00-319-4549
NSN 6110-01-373-2233
NSN 6685-01-415-5603
NSN 6650-00-255-8269
NSN 6105-01-421-6925
NSN 5975-00-935-5946
NSN 2925-00-770-4713