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 6645-01-144-6415
NSN 6685-01-103-1319
NSN 6685-01-220-4660
NSN 6610-00-557-3408
NSN 5950-01-327-7638
NSN 7035-00-463-7143
NSN 5835-00-451-2982
NSN 5945-00-951-1976
NSN 6620-00-073-9859
NSN 5945-00-715-0277
NSN 7035-00-145-9138
NSN 5975-01-368-1788