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 6135-01-351-1131
NSN 6685-00-035-9373
NSN 5975-01-322-0153
NSN 2925-01-473-9544
NSN 6105-01-517-5739
NSN 5960-01-265-4487
NSN 5998-01-131-7386
NSN 5950-01-261-2244
NSN 5999-00-899-3285
NSN 2925-01-386-7392
NSN 6135-01-485-4512
NSN 5910-01-471-2499