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 6320-00-149-7570
NSN 2925-00-555-0584
NSN 5905-01-610-2018
NSN 5999-00-904-8151
NSN 6240-00-255-2159
NSN 6145-01-423-4734
NSN 5915-01-160-7123
NSN 6145-00-902-9581
NSN 6130-01-442-7097
NSN 5945-01-516-6082
NSN 5996-01-607-1043
NSN 2925-01-565-6410