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 5910-01-431-9690
NSN 2925-00-617-0826
NSN 6130-00-381-1927
NSN 5935-00-141-2506
NSN 6645-01-322-8431
NSN 6645-00-143-1567
NSN 5996-01-550-2285
NSN 6145-01-238-7863
NSN 5990-00-678-6006
NSN 5975-01-452-9390
NSN 6135-01-373-2518
NSN 6220-01-657-8907