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 6645-01-633-1852
NSN 5950-01-327-3599
NSN 5915-01-114-6579
NSN 5999-01-155-0325
NSN 5935-01-602-9182
NSN 5990-01-050-7535
NSN 4140-00-541-9077
NSN 2925-01-157-9204
NSN 6220-01-474-0033
NSN 7035-01-456-4490
NSN 5999-00-837-8192
NSN 5905-01-052-9350