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 5905-01-507-5412
NSN 5975-01-086-0508
NSN 6620-01-593-0817
NSN 4140-01-500-9644
NSN 2925-00-449-2478
NSN 5990-01-534-8609
NSN 5950-00-274-7228
NSN 5835-01-073-2455
NSN 5910-01-256-6199
NSN 5945-01-108-1490
NSN 7035-01-178-9354
NSN 5835-00-064-5312