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 6220-01-600-2860
NSN 5996-01-521-2458
NSN 5950-00-695-9345
NSN 4140-01-659-8812
NSN 5999-01-041-3307
NSN 5855-01-493-6639
NSN 5835-01-113-8731
NSN 5920-01-243-0611
NSN 6645-00-959-6502
NSN 6220-01-100-4340
NSN 5985-00-725-1554
NSN 5935-01-465-3943