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 5920-01-419-8821
NSN 5950-01-384-3834
NSN 6620-00-093-4186
NSN 6620-00-269-5168
NSN 6130-00-248-7244
NSN 5999-01-240-5471
NSN 6110-01-189-6947
NSN 5910-01-610-0601
NSN 2925-01-288-2091
NSN 7035-00-870-0290
NSN 5985-01-170-4076
NSN 5998-00-756-5704