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 5990-01-157-0441
NSN 6135-00-455-2425
NSN 6320-01-308-8366
NSN 5985-00-536-0421
NSN 5930-00-995-4686
NSN 5895-00-036-6674
NSN 6110-00-366-1344
NSN 5996-01-396-0655
NSN 7035-01-413-6697
NSN 5998-00-857-9654
NSN 5965-01-250-5768
NSN 6645-01-442-4032