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 5975-00-689-9218
NSN 5835-00-481-4203
NSN 2925-00-471-1128
NSN 6645-00-997-5986
NSN 6135-00-203-9645
NSN 6145-01-182-1491
NSN 5998-01-250-2887
NSN 7035-01-219-9476
NSN 6650-01-210-9004
NSN 6135-01-278-9717
NSN 5895-00-269-3848
NSN 4140-01-025-1555