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 7035-00-411-8850
NSN 5915-01-033-2113
NSN 5925-00-722-8930
NSN 6620-00-403-7727
NSN 6685-00-045-5243
NSN 6320-01-459-6992
NSN 5835-00-698-9824
NSN 5855-00-444-2298
NSN 6650-00-250-5183
NSN 6220-01-467-2268
NSN 7035-01-527-1236
NSN 5975-01-324-0352