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 5925-01-207-0910
NSN 5935-01-063-7719
NSN 6240-00-246-7242
NSN 5910-00-104-0353
NSN 5895-01-357-7956
NSN 5990-01-106-3786
NSN 6645-00-658-7838
NSN 6135-01-624-3719
NSN 7035-00-312-3055
NSN 5855-00-256-5562
NSN 6320-01-366-5157
NSN 5920-01-374-1874