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 4140-01-602-8037
NSN 6320-01-506-9439
NSN 6320-00-036-3688
NSN 5999-01-242-6280
NSN 5945-01-085-6446
NSN 5895-01-112-9000
NSN 6105-01-100-1857
NSN 6320-01-029-4220
NSN 6220-01-118-8096
NSN 6145-00-071-2549
NSN 7035-01-649-4042
NSN 6240-01-464-2284